18140148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 50083488

約数和(自身を除く): 31943340

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 467, 468, 498, 747, 934, 996, 1079, 1401, 1494, 1868, 2158, 2802, 2988, 3237, 4203, 4316, 5604, 6071, 6474, 8406, 9711, 12142, 12948, 16812, 18213, 19422, 24284, 36426, 38761, 38844, 54639, 72852, 77522, 109278, 116283, 155044, 218556, 232566, 348849, 465132, 503893, 697698, 1007786, 1395396, 1511679, 2015572, 3023358, 4535037, 6046716, 9070074, 18140148]

約数ペア:

[(1, 18140148), (2, 9070074), (3, 6046716), (4, 4535037), (6, 3023358), (9, 2015572), (12, 1511679), (13, 1395396), (18, 1007786), (26, 697698), (36, 503893), (39, 465132), (52, 348849), (78, 232566), (83, 218556), (117, 155044), (156, 116283), (166, 109278), (234, 77522), (249, 72852), (332, 54639), (467, 38844), (468, 38761), (498, 36426), (747, 24284), (934, 19422), (996, 18213), (1079, 16812), (1401, 12948), (1494, 12142), (1868, 9711), (2158, 8406), (2802, 6474), (2988, 6071), (3237, 5604), (4203, 4316)]