18446668544

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{8641}}^1$

素因数の和:8957

約数の個数: 72

約数和(自身を含む): 38154775680

約数和(自身を除く): 19708107136

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 269, 496, 538, 992, 1076, 1984, 2152, 3968, 4304, 7936, 8339, 8608, 8641, 16678, 17216, 17282, 33356, 34432, 34564, 66712, 68864, 69128, 133424, 138256, 266848, 267871, 276512, 533696, 535742, 553024, 1067392, 1071484, 1106048, 2134784, 2142968, 2212096, 2324429, 4285936, 4648858, 8571872, 9297716, 17143744, 18595432, 34287488, 37190864, 68574976, 72057299, 74381728, 144114598, 148763456, 288229196, 297526912, 576458392, 595053824, 1152916784, 2305833568, 4611667136, 9223334272, 18446668544]

約数ペア:

[(1, 18446668544), (2, 9223334272), (4, 4611667136), (8, 2305833568), (16, 1152916784), (31, 595053824), (32, 576458392), (62, 297526912), (64, 288229196), (124, 148763456), (128, 144114598), (248, 74381728), (256, 72057299), (269, 68574976), (496, 37190864), (538, 34287488), (992, 18595432), (1076, 17143744), (1984, 9297716), (2152, 8571872), (3968, 4648858), (4304, 4285936), (7936, 2324429), (8339, 2212096), (8608, 2142968), (8641, 2134784), (16678, 1106048), (17216, 1071484), (17282, 1067392), (33356, 553024), (34432, 535742), (34564, 533696), (66712, 276512), (68864, 267871), (69128, 266848), (133424, 138256)]