19281930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 48117888

約数和(自身を除く): 28835958

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 67, 106, 134, 159, 181, 201, 265, 318, 335, 362, 402, 530, 543, 670, 795, 905, 1005, 1086, 1590, 1810, 2010, 2715, 3551, 5430, 7102, 9593, 10653, 12127, 17755, 19186, 21306, 24254, 28779, 35510, 36381, 47965, 53265, 57558, 60635, 72762, 95930, 106530, 121270, 143895, 181905, 287790, 363810, 642731, 1285462, 1928193, 3213655, 3856386, 6427310, 9640965, 19281930]

約数ペア:

[(1, 19281930), (2, 9640965), (3, 6427310), (5, 3856386), (6, 3213655), (10, 1928193), (15, 1285462), (30, 642731), (53, 363810), (67, 287790), (106, 181905), (134, 143895), (159, 121270), (181, 106530), (201, 95930), (265, 72762), (318, 60635), (335, 57558), (362, 53265), (402, 47965), (530, 36381), (543, 35510), (670, 28779), (795, 24254), (905, 21306), (1005, 19186), (1086, 17755), (1590, 12127), (1810, 10653), (2010, 9593), (2715, 7102), (3551, 5430)]