18692180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4229}}^1$

素因数の和:4268

約数の個数: 48

約数和(自身を含む): 44770320

約数和(自身を除く): 26078140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4229, 4420, 8458, 16916, 21145, 42290, 54977, 71893, 84580, 109954, 143786, 219908, 274885, 287572, 359465, 549770, 718930, 934609, 1099540, 1437860, 1869218, 3738436, 4673045, 9346090, 18692180]

約数ペア:

[(1, 18692180), (2, 9346090), (4, 4673045), (5, 3738436), (10, 1869218), (13, 1437860), (17, 1099540), (20, 934609), (26, 718930), (34, 549770), (52, 359465), (65, 287572), (68, 274885), (85, 219908), (130, 143786), (170, 109954), (221, 84580), (260, 71893), (340, 54977), (442, 42290), (884, 21145), (1105, 16916), (2210, 8458), (4229, 4420)]