18213420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{757}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 51192288

約数和(自身を除く): 32978868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 757, 802, 1203, 1514, 1604, 2005, 2271, 2406, 3028, 3785, 4010, 4542, 4812, 6015, 7570, 8020, 9084, 11355, 12030, 15140, 22710, 24060, 45420, 303557, 607114, 910671, 1214228, 1517785, 1821342, 3035570, 3642684, 4553355, 6071140, 9106710, 18213420]

約数ペア:

[(1, 18213420), (2, 9106710), (3, 6071140), (4, 4553355), (5, 3642684), (6, 3035570), (10, 1821342), (12, 1517785), (15, 1214228), (20, 910671), (30, 607114), (60, 303557), (401, 45420), (757, 24060), (802, 22710), (1203, 15140), (1514, 12030), (1604, 11355), (2005, 9084), (2271, 8020), (2406, 7570), (3028, 6015), (3785, 4812), (4010, 4542)]