19007661640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{102611}}^1$

素因数の和:103054

約数の個数: 64

約数和(自身を含む): 46766445120

約数和(自身を除く): 27758783480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 421, 440, 842, 1684, 2105, 3368, 4210, 4631, 8420, 9262, 16840, 18524, 23155, 37048, 46310, 92620, 102611, 185240, 205222, 410444, 513055, 820888, 1026110, 1128721, 2052220, 2257442, 4104440, 4514884, 5643605, 9029768, 11287210, 22574420, 43199231, 45148840, 86398462, 172796924, 215996155, 345593848, 431992310, 475191541, 863984620, 950383082, 1727969240, 1900766164, 2375957705, 3801532328, 4751915410, 9503830820, 19007661640]

約数ペア:

[(1, 19007661640), (2, 9503830820), (4, 4751915410), (5, 3801532328), (8, 2375957705), (10, 1900766164), (11, 1727969240), (20, 950383082), (22, 863984620), (40, 475191541), (44, 431992310), (55, 345593848), (88, 215996155), (110, 172796924), (220, 86398462), (421, 45148840), (440, 43199231), (842, 22574420), (1684, 11287210), (2105, 9029768), (3368, 5643605), (4210, 4514884), (4631, 4104440), (8420, 2257442), (9262, 2052220), (16840, 1128721), (18524, 1026110), (23155, 820888), (37048, 513055), (46310, 410444), (92620, 205222), (102611, 185240)]