19560420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 49386780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 37, 44, 45, 54, 55, 60, 66, 74, 89, 90, 99, 108, 110, 111, 132, 135, 148, 165, 178, 180, 185, 198, 220, 222, 267, 270, 297, 330, 333, 356, 370, 396, 407, 444, 445, 495, 534, 540, 555, 594, 660, 666, 740, 801, 814, 890, 979, 990, 999, 1068, 1110, 1188, 1221, 1332, 1335, 1485, 1602, 1628, 1665, 1780, 1958, 1980, 1998, 2035, 2220, 2403, 2442, 2670, 2937, 2970, 3204, 3293, 3330, 3663, 3916, 3996, 4005, 4070, 4806, 4884, 4895, 4995, 5340, 5874, 5940, 6105, 6586, 6660, 7326, 8010, 8140, 8811, 9612, 9790, 9879, 9990, 10989, 11748, 12015, 12210, 13172, 14652, 14685, 16020, 16465, 17622, 18315, 19580, 19758, 19980, 21978, 24030, 24420, 26433, 29370, 29637, 32930, 35244, 36223, 36630, 39516, 43956, 44055, 48060, 49395, 52866, 54945, 58740, 59274, 65860, 72446, 73260, 88110, 88911, 98790, 105732, 108669, 109890, 118548, 132165, 144892, 148185, 176220, 177822, 181115, 197580, 217338, 219780, 264330, 296370, 326007, 355644, 362230, 434676, 444555, 528660, 543345, 592740, 652014, 724460, 889110, 978021, 1086690, 1304028, 1630035, 1778220, 1956042, 2173380, 3260070, 3912084, 4890105, 6520140, 9780210, 19560420]

約数ペア:

[(1, 19560420), (2, 9780210), (3, 6520140), (4, 4890105), (5, 3912084), (6, 3260070), (9, 2173380), (10, 1956042), (11, 1778220), (12, 1630035), (15, 1304028), (18, 1086690), (20, 978021), (22, 889110), (27, 724460), (30, 652014), (33, 592740), (36, 543345), (37, 528660), (44, 444555), (45, 434676), (54, 362230), (55, 355644), (60, 326007), (66, 296370), (74, 264330), (89, 219780), (90, 217338), (99, 197580), (108, 181115), (110, 177822), (111, 176220), (132, 148185), (135, 144892), (148, 132165), (165, 118548), (178, 109890), (180, 108669), (185, 105732), (198, 98790), (220, 88911), (222, 88110), (267, 73260), (270, 72446), (297, 65860), (330, 59274), (333, 58740), (356, 54945), (370, 52866), (396, 49395), (407, 48060), (444, 44055), (445, 43956), (495, 39516), (534, 36630), (540, 36223), (555, 35244), (594, 32930), (660, 29637), (666, 29370), (740, 26433), (801, 24420), (814, 24030), (890, 21978), (979, 19980), (990, 19758), (999, 19580), (1068, 18315), (1110, 17622), (1188, 16465), (1221, 16020), (1332, 14685), (1335, 14652), (1485, 13172), (1602, 12210), (1628, 12015), (1665, 11748), (1780, 10989), (1958, 9990), (1980, 9879), (1998, 9790), (2035, 9612), (2220, 8811), (2403, 8140), (2442, 8010), (2670, 7326), (2937, 6660), (2970, 6586), (3204, 6105), (3293, 5940), (3330, 5874), (3663, 5340), (3916, 4995), (3996, 4895), (4005, 4884), (4070, 4806)]