19568475

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3044

約数の個数: 36

約数和(自身を含む): 36270000

約数和(自身を除く): 16701525

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 2999, 6525, 8997, 14995, 26991, 44985, 74975, 86971, 134955, 224925, 260913, 434855, 674775, 782739, 1304565, 2174275, 3913695, 6522825, 19568475]

約数ペア:

[(1, 19568475), (3, 6522825), (5, 3913695), (9, 2174275), (15, 1304565), (25, 782739), (29, 674775), (45, 434855), (75, 260913), (87, 224925), (145, 134955), (225, 86971), (261, 74975), (435, 44985), (725, 26991), (1305, 14995), (2175, 8997), (2999, 6525)]