18121831952

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{277}}^1\times {\mathrm{2221}}^1$

素因数の和:2776

約数の個数: 80

約数和(自身を含む): 40443101952

約数和(自身を除く): 22321270000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 277, 526, 554, 1052, 1108, 1841, 1939, 2104, 2216, 2221, 3682, 3878, 4208, 4432, 4442, 7364, 7756, 8884, 14728, 15512, 15547, 17768, 29456, 31024, 31094, 35536, 62188, 72851, 124376, 145702, 248752, 291404, 509957, 582808, 584123, 615217, 1019914, 1165616, 1168246, 1230434, 2039828, 2336492, 2460868, 4079656, 4088861, 4306519, 4672984, 4921736, 8159312, 8177722, 8613038, 9345968, 9843472, 16355444, 17226076, 32710888, 34452152, 65421776, 68904304, 161802071, 323604142, 647208284, 1132614497, 1294416568, 2265228994, 2588833136, 4530457988, 9060915976, 18121831952]

約数ペア:

[(1, 18121831952), (2, 9060915976), (4, 4530457988), (7, 2588833136), (8, 2265228994), (14, 1294416568), (16, 1132614497), (28, 647208284), (56, 323604142), (112, 161802071), (263, 68904304), (277, 65421776), (526, 34452152), (554, 32710888), (1052, 17226076), (1108, 16355444), (1841, 9843472), (1939, 9345968), (2104, 8613038), (2216, 8177722), (2221, 8159312), (3682, 4921736), (3878, 4672984), (4208, 4306519), (4432, 4088861), (4442, 4079656), (7364, 2460868), (7756, 2336492), (8884, 2039828), (14728, 1230434), (15512, 1168246), (15547, 1165616), (17768, 1019914), (29456, 615217), (31024, 584123), (31094, 582808), (35536, 509957), (62188, 291404), (72851, 248752), (124376, 145702)]