19824420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 70555968

約数和(自身を除く): 50731548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 613, 660, 735, 770, 924, 980, 1078, 1155, 1226, 1470, 1540, 1617, 1839, 2156, 2310, 2452, 2695, 2940, 3065, 3234, 3678, 4291, 4620, 5390, 6130, 6468, 6743, 7356, 8085, 8582, 9195, 10780, 12260, 12873, 13486, 16170, 17164, 18390, 20229, 21455, 25746, 26972, 30037, 32340, 33715, 36780, 40458, 42910, 47201, 51492, 60074, 64365, 67430, 80916, 85820, 90111, 94402, 101145, 120148, 128730, 134860, 141603, 150185, 180222, 188804, 202290, 236005, 257460, 283206, 300370, 330407, 360444, 404580, 450555, 472010, 566412, 600740, 660814, 708015, 901110, 944020, 991221, 1321628, 1416030, 1652035, 1802220, 1982442, 2832060, 3304070, 3964884, 4956105, 6608140, 9912210, 19824420]

約数ペア:

[(1, 19824420), (2, 9912210), (3, 6608140), (4, 4956105), (5, 3964884), (6, 3304070), (7, 2832060), (10, 1982442), (11, 1802220), (12, 1652035), (14, 1416030), (15, 1321628), (20, 991221), (21, 944020), (22, 901110), (28, 708015), (30, 660814), (33, 600740), (35, 566412), (42, 472010), (44, 450555), (49, 404580), (55, 360444), (60, 330407), (66, 300370), (70, 283206), (77, 257460), (84, 236005), (98, 202290), (105, 188804), (110, 180222), (132, 150185), (140, 141603), (147, 134860), (154, 128730), (165, 120148), (196, 101145), (210, 94402), (220, 90111), (231, 85820), (245, 80916), (294, 67430), (308, 64365), (330, 60074), (385, 51492), (420, 47201), (462, 42910), (490, 40458), (539, 36780), (588, 33715), (613, 32340), (660, 30037), (735, 26972), (770, 25746), (924, 21455), (980, 20229), (1078, 18390), (1155, 17164), (1226, 16170), (1470, 13486), (1540, 12873), (1617, 12260), (1839, 10780), (2156, 9195), (2310, 8582), (2452, 8085), (2695, 7356), (2940, 6743), (3065, 6468), (3234, 6130), (3678, 5390), (4291, 4620)]