17973860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 21326044

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 107, 148, 185, 214, 227, 370, 428, 454, 535, 740, 908, 1070, 1135, 2140, 2270, 3959, 4540, 7918, 8399, 15836, 16798, 19795, 24289, 33596, 39590, 41995, 48578, 79180, 83990, 97156, 121445, 167980, 242890, 485780, 898693, 1797386, 3594772, 4493465, 8986930, 17973860]

約数ペア:

[(1, 17973860), (2, 8986930), (4, 4493465), (5, 3594772), (10, 1797386), (20, 898693), (37, 485780), (74, 242890), (107, 167980), (148, 121445), (185, 97156), (214, 83990), (227, 79180), (370, 48578), (428, 41995), (454, 39590), (535, 33596), (740, 24289), (908, 19795), (1070, 16798), (1135, 15836), (2140, 8399), (2270, 7918), (3959, 4540)]