19661504

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 84

約数和(自身を含む): 44128944

約数和(自身を除く): 24467440

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 37, 38, 46, 64, 74, 76, 92, 148, 152, 184, 296, 304, 361, 368, 437, 592, 608, 703, 722, 736, 851, 874, 1184, 1216, 1406, 1444, 1472, 1702, 1748, 2368, 2812, 2888, 3404, 3496, 5624, 5776, 6808, 6992, 8303, 11248, 11552, 13357, 13616, 13984, 16169, 16606, 22496, 23104, 26714, 27232, 27968, 32338, 33212, 44992, 53428, 54464, 64676, 66424, 106856, 129352, 132848, 213712, 258704, 265696, 307211, 427424, 517408, 531392, 614422, 854848, 1034816, 1228844, 2457688, 4915376, 9830752, 19661504]

約数ペア:

[(1, 19661504), (2, 9830752), (4, 4915376), (8, 2457688), (16, 1228844), (19, 1034816), (23, 854848), (32, 614422), (37, 531392), (38, 517408), (46, 427424), (64, 307211), (74, 265696), (76, 258704), (92, 213712), (148, 132848), (152, 129352), (184, 106856), (296, 66424), (304, 64676), (361, 54464), (368, 53428), (437, 44992), (592, 33212), (608, 32338), (703, 27968), (722, 27232), (736, 26714), (851, 23104), (874, 22496), (1184, 16606), (1216, 16169), (1406, 13984), (1444, 13616), (1472, 13357), (1702, 11552), (1748, 11248), (2368, 8303), (2812, 6992), (2888, 6808), (3404, 5776), (3496, 5624)]