18695392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 39266640

約数和(自身を除く): 20571248

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 317, 388, 608, 634, 776, 1268, 1552, 1843, 2536, 3104, 3686, 5072, 6023, 7372, 10144, 12046, 14744, 24092, 29488, 30749, 48184, 58976, 61498, 96368, 122996, 192736, 245992, 491984, 584231, 983968, 1168462, 2336924, 4673848, 9347696, 18695392]

約数ペア:

[(1, 18695392), (2, 9347696), (4, 4673848), (8, 2336924), (16, 1168462), (19, 983968), (32, 584231), (38, 491984), (76, 245992), (97, 192736), (152, 122996), (194, 96368), (304, 61498), (317, 58976), (388, 48184), (608, 30749), (634, 29488), (776, 24092), (1268, 14744), (1552, 12046), (1843, 10144), (2536, 7372), (3104, 6023), (3686, 5072)]