19185426

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 45130176

約数和(自身を除く): 25944750

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 163, 234, 326, 489, 503, 978, 1006, 1467, 1509, 2119, 2934, 3018, 4238, 4527, 6357, 6539, 9054, 12714, 13078, 19071, 19617, 38142, 39234, 58851, 81989, 117702, 163978, 245967, 491934, 737901, 1065857, 1475802, 2131714, 3197571, 6395142, 9592713, 19185426]

約数ペア:

[(1, 19185426), (2, 9592713), (3, 6395142), (6, 3197571), (9, 2131714), (13, 1475802), (18, 1065857), (26, 737901), (39, 491934), (78, 245967), (117, 163978), (163, 117702), (234, 81989), (326, 58851), (489, 39234), (503, 38142), (978, 19617), (1006, 19071), (1467, 13078), (1509, 12714), (2119, 9054), (2934, 6539), (3018, 6357), (4238, 4527)]