19581090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 29874270

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 71, 87, 142, 145, 174, 213, 290, 317, 355, 426, 435, 634, 710, 870, 951, 1065, 1585, 1902, 2059, 2130, 3170, 4118, 4755, 6177, 9193, 9510, 10295, 12354, 18386, 20590, 22507, 27579, 30885, 45014, 45965, 55158, 61770, 67521, 91930, 112535, 135042, 137895, 225070, 275790, 337605, 652703, 675210, 1305406, 1958109, 3263515, 3916218, 6527030, 9790545, 19581090]

約数ペア:

[(1, 19581090), (2, 9790545), (3, 6527030), (5, 3916218), (6, 3263515), (10, 1958109), (15, 1305406), (29, 675210), (30, 652703), (58, 337605), (71, 275790), (87, 225070), (142, 137895), (145, 135042), (174, 112535), (213, 91930), (290, 67521), (317, 61770), (355, 55158), (426, 45965), (435, 45014), (634, 30885), (710, 27579), (870, 22507), (951, 20590), (1065, 18386), (1585, 12354), (1902, 10295), (2059, 9510), (2130, 9193), (3170, 6177), (4118, 4755)]