17681950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2509

約数の個数: 48

約数和(自身を含む): 38653776

約数和(自身を除く): 20971826

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2473, 3575, 4946, 7150, 12365, 24730, 27203, 32149, 54406, 61825, 64298, 123650, 136015, 160745, 272030, 321490, 353639, 680075, 707278, 803725, 1360150, 1607450, 1768195, 3536390, 8840975, 17681950]

約数ペア:

[(1, 17681950), (2, 8840975), (5, 3536390), (10, 1768195), (11, 1607450), (13, 1360150), (22, 803725), (25, 707278), (26, 680075), (50, 353639), (55, 321490), (65, 272030), (110, 160745), (130, 136015), (143, 123650), (275, 64298), (286, 61825), (325, 54406), (550, 32149), (650, 27203), (715, 24730), (1430, 12365), (2473, 7150), (3575, 4946)]