18254320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 31617488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 881, 1036, 1295, 1480, 1762, 2072, 2590, 2960, 3524, 4144, 4405, 5180, 6167, 7048, 8810, 10360, 12334, 14096, 17620, 20720, 24668, 30835, 32597, 35240, 49336, 61670, 65194, 70480, 98672, 123340, 130388, 162985, 228179, 246680, 260776, 325970, 456358, 493360, 521552, 651940, 912716, 1140895, 1303880, 1825432, 2281790, 2607760, 3650864, 4563580, 9127160, 18254320]

約数ペア:

[(1, 18254320), (2, 9127160), (4, 4563580), (5, 3650864), (7, 2607760), (8, 2281790), (10, 1825432), (14, 1303880), (16, 1140895), (20, 912716), (28, 651940), (35, 521552), (37, 493360), (40, 456358), (56, 325970), (70, 260776), (74, 246680), (80, 228179), (112, 162985), (140, 130388), (148, 123340), (185, 98672), (259, 70480), (280, 65194), (296, 61670), (370, 49336), (518, 35240), (560, 32597), (592, 30835), (740, 24668), (881, 20720), (1036, 17620), (1295, 14096), (1480, 12334), (1762, 10360), (2072, 8810), (2590, 7048), (2960, 6167), (3524, 5180), (4144, 4405)]