18057776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 22653904

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 47, 59, 74, 88, 94, 118, 148, 176, 188, 236, 296, 376, 407, 472, 517, 592, 649, 752, 814, 944, 1034, 1298, 1628, 1739, 2068, 2183, 2596, 2773, 3256, 3478, 4136, 4366, 5192, 5546, 6512, 6956, 8272, 8732, 10384, 11092, 13912, 17464, 19129, 22184, 24013, 27824, 30503, 34928, 38258, 44368, 48026, 61006, 76516, 96052, 102601, 122012, 153032, 192104, 205202, 244024, 306064, 384208, 410404, 488048, 820808, 1128611, 1641616, 2257222, 4514444, 9028888, 18057776]

約数ペア:

[(1, 18057776), (2, 9028888), (4, 4514444), (8, 2257222), (11, 1641616), (16, 1128611), (22, 820808), (37, 488048), (44, 410404), (47, 384208), (59, 306064), (74, 244024), (88, 205202), (94, 192104), (118, 153032), (148, 122012), (176, 102601), (188, 96052), (236, 76516), (296, 61006), (376, 48026), (407, 44368), (472, 38258), (517, 34928), (592, 30503), (649, 27824), (752, 24013), (814, 22184), (944, 19129), (1034, 17464), (1298, 13912), (1628, 11092), (1739, 10384), (2068, 8732), (2183, 8272), (2596, 6956), (2773, 6512), (3256, 5546), (3478, 5192), (4136, 4366)]