18924020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22444300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 239, 370, 428, 478, 535, 740, 956, 1070, 1195, 2140, 2390, 3959, 4780, 7918, 8843, 15836, 17686, 19795, 25573, 35372, 39590, 44215, 51146, 79180, 88430, 102292, 127865, 176860, 255730, 511460, 946201, 1892402, 3784804, 4731005, 9462010, 18924020]

約数ペア:

[(1, 18924020), (2, 9462010), (4, 4731005), (5, 3784804), (10, 1892402), (20, 946201), (37, 511460), (74, 255730), (107, 176860), (148, 127865), (185, 102292), (214, 88430), (239, 79180), (370, 51146), (428, 44215), (478, 39590), (535, 35372), (740, 25573), (956, 19795), (1070, 17686), (1195, 15836), (2140, 8843), (2390, 7918), (3959, 4780)]