18587940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{44257}}^1$

素因数の和:44276

約数の個数: 48

約数和(自身を含む): 59482752

約数和(自身を除く): 40894812

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, 44257, 88514, 132771, 177028, 221285, 265542, 309799, 442570, 531084, 619598, 663855, 885140, 929397, 1239196, 1327710, 1548995, 1858794, 2655420, 3097990, 3717588, 4646985, 6195980, 9293970, 18587940]

約数ペア:

[(1, 18587940), (2, 9293970), (3, 6195980), (4, 4646985), (5, 3717588), (6, 3097990), (7, 2655420), (10, 1858794), (12, 1548995), (14, 1327710), (15, 1239196), (20, 929397), (21, 885140), (28, 663855), (30, 619598), (35, 531084), (42, 442570), (60, 309799), (70, 265542), (84, 221285), (105, 177028), (140, 132771), (210, 88514), (420, 44257)]