18430736

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 37092864

約数和(自身を除く): 18662128

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 163, 191, 296, 326, 382, 592, 652, 764, 1304, 1528, 2608, 3056, 6031, 7067, 12062, 14134, 24124, 28268, 31133, 48248, 56536, 62266, 96496, 113072, 124532, 249064, 498128, 1151921, 2303842, 4607684, 9215368, 18430736]

約数ペア:

[(1, 18430736), (2, 9215368), (4, 4607684), (8, 2303842), (16, 1151921), (37, 498128), (74, 249064), (148, 124532), (163, 113072), (191, 96496), (296, 62266), (326, 56536), (382, 48248), (592, 31133), (652, 28268), (764, 24124), (1304, 14134), (1528, 12062), (2608, 7067), (3056, 6031)]