18258760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 46313640

約数和(自身を除く): 28054880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 73, 74, 104, 130, 146, 148, 169, 185, 260, 292, 296, 338, 365, 370, 481, 520, 584, 676, 730, 740, 845, 949, 962, 1352, 1460, 1480, 1690, 1898, 1924, 2405, 2701, 2920, 3380, 3796, 3848, 4745, 4810, 5402, 6253, 6760, 7592, 9490, 9620, 10804, 12337, 12506, 13505, 18980, 19240, 21608, 24674, 25012, 27010, 31265, 35113, 37960, 49348, 50024, 54020, 61685, 62530, 70226, 98696, 108040, 123370, 125060, 140452, 175565, 246740, 250120, 280904, 351130, 456469, 493480, 702260, 912938, 1404520, 1825876, 2282345, 3651752, 4564690, 9129380, 18258760]

約数ペア:

[(1, 18258760), (2, 9129380), (4, 4564690), (5, 3651752), (8, 2282345), (10, 1825876), (13, 1404520), (20, 912938), (26, 702260), (37, 493480), (40, 456469), (52, 351130), (65, 280904), (73, 250120), (74, 246740), (104, 175565), (130, 140452), (146, 125060), (148, 123370), (169, 108040), (185, 98696), (260, 70226), (292, 62530), (296, 61685), (338, 54020), (365, 50024), (370, 49348), (481, 37960), (520, 35113), (584, 31265), (676, 27010), (730, 25012), (740, 24674), (845, 21608), (949, 19240), (962, 18980), (1352, 13505), (1460, 12506), (1480, 12337), (1690, 10804), (1898, 9620), (1924, 9490), (2405, 7592), (2701, 6760), (2920, 6253), (3380, 5402), (3796, 4810), (3848, 4745)]