18913656

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 31647624

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 151, 204, 302, 307, 408, 453, 604, 614, 906, 921, 1208, 1228, 1812, 1842, 2456, 2567, 3624, 3684, 5134, 5219, 7368, 7701, 10268, 10438, 15402, 15657, 20536, 20876, 30804, 31314, 41752, 46357, 61608, 62628, 92714, 125256, 139071, 185428, 278142, 370856, 556284, 788069, 1112568, 1576138, 2364207, 3152276, 4728414, 6304552, 9456828, 18913656]

約数ペア:

[(1, 18913656), (2, 9456828), (3, 6304552), (4, 4728414), (6, 3152276), (8, 2364207), (12, 1576138), (17, 1112568), (24, 788069), (34, 556284), (51, 370856), (68, 278142), (102, 185428), (136, 139071), (151, 125256), (204, 92714), (302, 62628), (307, 61608), (408, 46357), (453, 41752), (604, 31314), (614, 30804), (906, 20876), (921, 20536), (1208, 15657), (1228, 15402), (1812, 10438), (1842, 10268), (2456, 7701), (2567, 7368), (3624, 5219), (3684, 5134)]