18777540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2389}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 53000640

約数和(自身を除く): 34223100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2389, 2620, 3930, 4778, 7167, 7860, 9556, 11945, 14334, 23890, 28668, 35835, 47780, 71670, 143340, 312959, 625918, 938877, 1251836, 1564795, 1877754, 3129590, 3755508, 4694385, 6259180, 9388770, 18777540]

約数ペア:

[(1, 18777540), (2, 9388770), (3, 6259180), (4, 4694385), (5, 3755508), (6, 3129590), (10, 1877754), (12, 1564795), (15, 1251836), (20, 938877), (30, 625918), (60, 312959), (131, 143340), (262, 71670), (393, 47780), (524, 35835), (655, 28668), (786, 23890), (1310, 14334), (1572, 11945), (1965, 9556), (2389, 7860), (2620, 7167), (3930, 4778)]