18629260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 42519456

約数和(自身を除く): 23890196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 523, 548, 685, 1046, 1370, 1781, 2092, 2615, 2740, 3562, 5230, 6799, 7124, 8905, 10460, 13598, 17810, 27196, 33995, 35620, 67990, 71651, 135980, 143302, 286604, 358255, 716510, 931463, 1433020, 1862926, 3725852, 4657315, 9314630, 18629260]

約数ペア:

[(1, 18629260), (2, 9314630), (4, 4657315), (5, 3725852), (10, 1862926), (13, 1433020), (20, 931463), (26, 716510), (52, 358255), (65, 286604), (130, 143302), (137, 135980), (260, 71651), (274, 67990), (523, 35620), (548, 33995), (685, 27196), (1046, 17810), (1370, 13598), (1781, 10460), (2092, 8905), (2615, 7124), (2740, 6799), (3562, 5230)]