19912857576

素因数分解:

$2^3\times 3^1\times {\mathrm{521}}^1\times {\mathrm{571}}^1\times {\mathrm{2789}}^1$

素因数の和:3890

約数の個数: 64

約数和(自身を含む): 49982961600

約数和(自身を除く): 30070104024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 521, 571, 1042, 1142, 1563, 1713, 2084, 2284, 2789, 3126, 3426, 4168, 4568, 5578, 6252, 6852, 8367, 11156, 12504, 13704, 16734, 22312, 33468, 66936, 297491, 594982, 892473, 1189964, 1453069, 1592519, 1784946, 2379928, 2906138, 3185038, 3569892, 4359207, 4777557, 5812276, 6370076, 7139784, 8718414, 9555114, 11624552, 12740152, 17436828, 19110228, 34873656, 38220456, 829702399, 1659404798, 2489107197, 3318809596, 4978214394, 6637619192, 9956428788, 19912857576]

約数ペア:

[(1, 19912857576), (2, 9956428788), (3, 6637619192), (4, 4978214394), (6, 3318809596), (8, 2489107197), (12, 1659404798), (24, 829702399), (521, 38220456), (571, 34873656), (1042, 19110228), (1142, 17436828), (1563, 12740152), (1713, 11624552), (2084, 9555114), (2284, 8718414), (2789, 7139784), (3126, 6370076), (3426, 5812276), (4168, 4777557), (4568, 4359207), (5578, 3569892), (6252, 3185038), (6852, 2906138), (8367, 2379928), (11156, 1784946), (12504, 1592519), (13704, 1453069), (16734, 1189964), (22312, 892473), (33468, 594982), (66936, 297491)]