31819984

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{787}}^1$

素因数の和:840

約数の個数: 60

約数和(自身を含む): 74456544

約数和(自身を除く): 42636560

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 722, 787, 1064, 1444, 1574, 2128, 2527, 2888, 3148, 5054, 5509, 5776, 6296, 10108, 11018, 12592, 14953, 20216, 22036, 29906, 40432, 44072, 59812, 88144, 104671, 119624, 209342, 239248, 284107, 418684, 568214, 837368, 1136428, 1674736, 1988749, 2272856, 3977498, 4545712, 7954996, 15909992, 31819984]

約数ペア:

[(1, 31819984), (2, 15909992), (4, 7954996), (7, 4545712), (8, 3977498), (14, 2272856), (16, 1988749), (19, 1674736), (28, 1136428), (38, 837368), (56, 568214), (76, 418684), (112, 284107), (133, 239248), (152, 209342), (266, 119624), (304, 104671), (361, 88144), (532, 59812), (722, 44072), (787, 40432), (1064, 29906), (1444, 22036), (1574, 20216), (2128, 14953), (2527, 12592), (2888, 11018), (3148, 10108), (5054, 6296), (5509, 5776)]