18755940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44657}}^1$

素因数の和:44676

約数の個数: 48

約数和(自身を含む): 60020352

約数和(自身を除く): 41264412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 44657, 89314, 133971, 178628, 223285, 267942, 312599, 446570, 535884, 625198, 669855, 893140, 937797, 1250396, 1339710, 1562995, 1875594, 2679420, 3125990, 3751188, 4688985, 6251980, 9377970, 18755940]

約数ペア:

[(1, 18755940), (2, 9377970), (3, 6251980), (4, 4688985), (5, 3751188), (6, 3125990), (7, 2679420), (10, 1875594), (12, 1562995), (14, 1339710), (15, 1250396), (20, 937797), (21, 893140), (28, 669855), (30, 625198), (35, 535884), (42, 446570), (60, 312599), (70, 267942), (84, 223285), (105, 178628), (140, 133971), (210, 89314), (420, 44657)]