18437968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 19059632

約数列:

[1, 2, 4, 8, 16, 29, 58, 79, 116, 158, 232, 316, 464, 503, 632, 1006, 1264, 2012, 2291, 4024, 4582, 8048, 9164, 14587, 18328, 29174, 36656, 39737, 58348, 79474, 116696, 158948, 233392, 317896, 635792, 1152373, 2304746, 4609492, 9218984, 18437968]

約数ペア:

[(1, 18437968), (2, 9218984), (4, 4609492), (8, 2304746), (16, 1152373), (29, 635792), (58, 317896), (79, 233392), (116, 158948), (158, 116696), (232, 79474), (316, 58348), (464, 39737), (503, 36656), (632, 29174), (1006, 18328), (1264, 14587), (2012, 9164), (2291, 8048), (4024, 4582)]