19660572

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 52183040

約数和(自身を除く): 32522468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 223, 237, 279, 316, 372, 446, 474, 558, 669, 711, 892, 948, 1116, 1338, 1422, 2007, 2449, 2676, 2844, 4014, 4898, 6913, 7347, 8028, 9796, 13826, 14694, 17617, 20739, 22041, 27652, 29388, 35234, 41478, 44082, 52851, 62217, 70468, 82956, 88164, 105702, 124434, 158553, 211404, 248868, 317106, 546127, 634212, 1092254, 1638381, 2184508, 3276762, 4915143, 6553524, 9830286, 19660572]

約数ペア:

[(1, 19660572), (2, 9830286), (3, 6553524), (4, 4915143), (6, 3276762), (9, 2184508), (12, 1638381), (18, 1092254), (31, 634212), (36, 546127), (62, 317106), (79, 248868), (93, 211404), (124, 158553), (158, 124434), (186, 105702), (223, 88164), (237, 82956), (279, 70468), (316, 62217), (372, 52851), (446, 44082), (474, 41478), (558, 35234), (669, 29388), (711, 27652), (892, 22041), (948, 20739), (1116, 17617), (1338, 14694), (1422, 13826), (2007, 9796), (2449, 8028), (2676, 7347), (2844, 6913), (4014, 4898)]