19282890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 51259392

約数和(自身を除く): 31976502

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 823, 1065, 1562, 1646, 2130, 2343, 2469, 3905, 4115, 4686, 4938, 7810, 8230, 9053, 11715, 12345, 18106, 23430, 24690, 27159, 45265, 54318, 58433, 90530, 116866, 135795, 175299, 271590, 292165, 350598, 584330, 642763, 876495, 1285526, 1752990, 1928289, 3213815, 3856578, 6427630, 9641445, 19282890]

約数ペア:

[(1, 19282890), (2, 9641445), (3, 6427630), (5, 3856578), (6, 3213815), (10, 1928289), (11, 1752990), (15, 1285526), (22, 876495), (30, 642763), (33, 584330), (55, 350598), (66, 292165), (71, 271590), (110, 175299), (142, 135795), (165, 116866), (213, 90530), (330, 58433), (355, 54318), (426, 45265), (710, 27159), (781, 24690), (823, 23430), (1065, 18106), (1562, 12345), (1646, 11715), (2130, 9053), (2343, 8230), (2469, 7810), (3905, 4938), (4115, 4686)]