19776060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 60418176

約数和(自身を除く): 40642116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 607, 724, 905, 1086, 1214, 1629, 1810, 1821, 2172, 2428, 2715, 3035, 3258, 3620, 3642, 5430, 5463, 6070, 6516, 7284, 8145, 9105, 10860, 10926, 12140, 16290, 18210, 21852, 27315, 32580, 36420, 54630, 109260, 109867, 219734, 329601, 439468, 549335, 659202, 988803, 1098670, 1318404, 1648005, 1977606, 2197340, 3296010, 3955212, 4944015, 6592020, 9888030, 19776060]

約数ペア:

[(1, 19776060), (2, 9888030), (3, 6592020), (4, 4944015), (5, 3955212), (6, 3296010), (9, 2197340), (10, 1977606), (12, 1648005), (15, 1318404), (18, 1098670), (20, 988803), (30, 659202), (36, 549335), (45, 439468), (60, 329601), (90, 219734), (180, 109867), (181, 109260), (362, 54630), (543, 36420), (607, 32580), (724, 27315), (905, 21852), (1086, 18210), (1214, 16290), (1629, 12140), (1810, 10926), (1821, 10860), (2172, 9105), (2428, 8145), (2715, 7284), (3035, 6516), (3258, 6070), (3620, 5463), (3642, 5430)]