17618120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2034

約数の個数: 64

約数和(自身を含む): 45223920

約数和(自身を除く): 27605800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 1993, 2210, 3986, 4420, 7972, 8840, 9965, 15944, 19930, 25909, 33881, 39860, 51818, 67762, 79720, 103636, 129545, 135524, 169405, 207272, 259090, 271048, 338810, 440453, 518180, 677620, 880906, 1036360, 1355240, 1761812, 2202265, 3523624, 4404530, 8809060, 17618120]

約数ペア:

[(1, 17618120), (2, 8809060), (4, 4404530), (5, 3523624), (8, 2202265), (10, 1761812), (13, 1355240), (17, 1036360), (20, 880906), (26, 677620), (34, 518180), (40, 440453), (52, 338810), (65, 271048), (68, 259090), (85, 207272), (104, 169405), (130, 135524), (136, 129545), (170, 103636), (221, 79720), (260, 67762), (340, 51818), (442, 39860), (520, 33881), (680, 25909), (884, 19930), (1105, 15944), (1768, 9965), (1993, 8840), (2210, 7972), (3986, 4420)]