18420090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 48335616

約数和(自身を除く): 29915526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 73, 78, 130, 146, 195, 219, 365, 390, 438, 647, 730, 949, 1095, 1294, 1898, 1941, 2190, 2847, 3235, 3882, 4745, 5694, 6470, 8411, 9490, 9705, 14235, 16822, 19410, 25233, 28470, 42055, 47231, 50466, 84110, 94462, 126165, 141693, 236155, 252330, 283386, 472310, 614003, 708465, 1228006, 1416930, 1842009, 3070015, 3684018, 6140030, 9210045, 18420090]

約数ペア:

[(1, 18420090), (2, 9210045), (3, 6140030), (5, 3684018), (6, 3070015), (10, 1842009), (13, 1416930), (15, 1228006), (26, 708465), (30, 614003), (39, 472310), (65, 283386), (73, 252330), (78, 236155), (130, 141693), (146, 126165), (195, 94462), (219, 84110), (365, 50466), (390, 47231), (438, 42055), (647, 28470), (730, 25233), (949, 19410), (1095, 16822), (1294, 14235), (1898, 9705), (1941, 9490), (2190, 8411), (2847, 6470), (3235, 5694), (3882, 4745)]