18098360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{593}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 47044800

約数和(自身を除く): 28946440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 593, 763, 872, 1090, 1186, 1526, 2180, 2372, 2965, 3052, 3815, 4151, 4360, 4744, 5930, 6104, 7630, 8302, 11860, 15260, 16604, 20755, 23720, 30520, 33208, 41510, 64637, 83020, 129274, 166040, 258548, 323185, 452459, 517096, 646370, 904918, 1292740, 1809836, 2262295, 2585480, 3619672, 4524590, 9049180, 18098360]

約数ペア:

[(1, 18098360), (2, 9049180), (4, 4524590), (5, 3619672), (7, 2585480), (8, 2262295), (10, 1809836), (14, 1292740), (20, 904918), (28, 646370), (35, 517096), (40, 452459), (56, 323185), (70, 258548), (109, 166040), (140, 129274), (218, 83020), (280, 64637), (436, 41510), (545, 33208), (593, 30520), (763, 23720), (872, 20755), (1090, 16604), (1186, 15260), (1526, 11860), (2180, 8302), (2372, 7630), (2965, 6104), (3052, 5930), (3815, 4744), (4151, 4360)]