17810540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 41398560

約数和(自身を除く): 23588020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1109, 1460, 1606, 2218, 3212, 4015, 4436, 5545, 8030, 11090, 12199, 16060, 22180, 24398, 48796, 60995, 80957, 121990, 161914, 243980, 323828, 404785, 809570, 890527, 1619140, 1781054, 3562108, 4452635, 8905270, 17810540]

約数ペア:

[(1, 17810540), (2, 8905270), (4, 4452635), (5, 3562108), (10, 1781054), (11, 1619140), (20, 890527), (22, 809570), (44, 404785), (55, 323828), (73, 243980), (110, 161914), (146, 121990), (220, 80957), (292, 60995), (365, 48796), (730, 24398), (803, 22180), (1109, 16060), (1460, 12199), (1606, 11090), (2218, 8030), (3212, 5545), (4015, 4436)]