17993456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 41143200

約数和(自身を除く): 23149744

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 157, 208, 232, 247, 304, 314, 377, 464, 494, 551, 628, 754, 988, 1102, 1256, 1508, 1976, 2041, 2204, 2512, 2983, 3016, 3952, 4082, 4408, 4553, 5966, 6032, 7163, 8164, 8816, 9106, 11932, 14326, 16328, 18212, 23864, 28652, 32656, 36424, 38779, 47728, 57304, 59189, 72848, 77558, 86507, 114608, 118378, 155116, 173014, 236756, 310232, 346028, 473512, 620464, 692056, 947024, 1124591, 1384112, 2249182, 4498364, 8996728, 17993456]

約数ペア:

[(1, 17993456), (2, 8996728), (4, 4498364), (8, 2249182), (13, 1384112), (16, 1124591), (19, 947024), (26, 692056), (29, 620464), (38, 473512), (52, 346028), (58, 310232), (76, 236756), (104, 173014), (116, 155116), (152, 118378), (157, 114608), (208, 86507), (232, 77558), (247, 72848), (304, 59189), (314, 57304), (377, 47728), (464, 38779), (494, 36424), (551, 32656), (628, 28652), (754, 23864), (988, 18212), (1102, 16328), (1256, 14326), (1508, 11932), (1976, 9106), (2041, 8816), (2204, 8164), (2512, 7163), (2983, 6032), (3016, 5966), (3952, 4553), (4082, 4408)]