19599640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 51710400

約数和(自身を除く): 32110760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 37, 38, 40, 41, 68, 74, 76, 82, 85, 95, 136, 148, 152, 164, 170, 185, 190, 205, 296, 323, 328, 340, 370, 380, 410, 629, 646, 680, 697, 703, 740, 760, 779, 820, 1258, 1292, 1394, 1406, 1480, 1517, 1558, 1615, 1640, 2516, 2584, 2788, 2812, 3034, 3116, 3145, 3230, 3485, 3515, 3895, 5032, 5576, 5624, 6068, 6232, 6290, 6460, 6970, 7030, 7585, 7790, 11951, 12136, 12580, 12920, 13243, 13940, 14060, 15170, 15580, 23902, 25160, 25789, 26486, 27880, 28120, 28823, 30340, 31160, 47804, 51578, 52972, 57646, 59755, 60680, 66215, 95608, 103156, 105944, 115292, 119510, 128945, 132430, 144115, 206312, 230584, 239020, 257890, 264860, 288230, 478040, 489991, 515780, 529720, 576460, 979982, 1031560, 1152920, 1959964, 2449955, 3919928, 4899910, 9799820, 19599640]

約数ペア:

[(1, 19599640), (2, 9799820), (4, 4899910), (5, 3919928), (8, 2449955), (10, 1959964), (17, 1152920), (19, 1031560), (20, 979982), (34, 576460), (37, 529720), (38, 515780), (40, 489991), (41, 478040), (68, 288230), (74, 264860), (76, 257890), (82, 239020), (85, 230584), (95, 206312), (136, 144115), (148, 132430), (152, 128945), (164, 119510), (170, 115292), (185, 105944), (190, 103156), (205, 95608), (296, 66215), (323, 60680), (328, 59755), (340, 57646), (370, 52972), (380, 51578), (410, 47804), (629, 31160), (646, 30340), (680, 28823), (697, 28120), (703, 27880), (740, 26486), (760, 25789), (779, 25160), (820, 23902), (1258, 15580), (1292, 15170), (1394, 14060), (1406, 13940), (1480, 13243), (1517, 12920), (1558, 12580), (1615, 12136), (1640, 11951), (2516, 7790), (2584, 7585), (2788, 7030), (2812, 6970), (3034, 6460), (3116, 6290), (3145, 6232), (3230, 6068), (3485, 5624), (3515, 5576), (3895, 5032)]