19511936

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 41860800

約数和(自身を除く): 22348864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 113, 128, 142, 152, 226, 284, 304, 452, 568, 608, 904, 1136, 1216, 1349, 1808, 2147, 2272, 2432, 2698, 3616, 4294, 4544, 5396, 7232, 8023, 8588, 9088, 10792, 14464, 16046, 17176, 21584, 32092, 34352, 43168, 64184, 68704, 86336, 128368, 137408, 152437, 172672, 256736, 274816, 304874, 513472, 609748, 1026944, 1219496, 2438992, 4877984, 9755968, 19511936]

約数ペア:

[(1, 19511936), (2, 9755968), (4, 4877984), (8, 2438992), (16, 1219496), (19, 1026944), (32, 609748), (38, 513472), (64, 304874), (71, 274816), (76, 256736), (113, 172672), (128, 152437), (142, 137408), (152, 128368), (226, 86336), (284, 68704), (304, 64184), (452, 43168), (568, 34352), (608, 32092), (904, 21584), (1136, 17176), (1216, 16046), (1349, 14464), (1808, 10792), (2147, 9088), (2272, 8588), (2432, 8023), (2698, 7232), (3616, 5396), (4294, 4544)]