18742740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 56730240

約数和(自身を除く): 37987500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 401, 410, 492, 570, 615, 779, 802, 820, 1140, 1203, 1230, 1558, 1604, 2005, 2337, 2406, 2460, 3116, 3895, 4010, 4674, 4812, 6015, 7619, 7790, 8020, 9348, 11685, 12030, 15238, 15580, 16441, 22857, 23370, 24060, 30476, 32882, 38095, 45714, 46740, 49323, 65764, 76190, 82205, 91428, 98646, 114285, 152380, 164410, 197292, 228570, 246615, 312379, 328820, 457140, 493230, 624758, 937137, 986460, 1249516, 1561895, 1874274, 3123790, 3748548, 4685685, 6247580, 9371370, 18742740]

約数ペア:

[(1, 18742740), (2, 9371370), (3, 6247580), (4, 4685685), (5, 3748548), (6, 3123790), (10, 1874274), (12, 1561895), (15, 1249516), (19, 986460), (20, 937137), (30, 624758), (38, 493230), (41, 457140), (57, 328820), (60, 312379), (76, 246615), (82, 228570), (95, 197292), (114, 164410), (123, 152380), (164, 114285), (190, 98646), (205, 91428), (228, 82205), (246, 76190), (285, 65764), (380, 49323), (401, 46740), (410, 45714), (492, 38095), (570, 32882), (615, 30476), (779, 24060), (802, 23370), (820, 22857), (1140, 16441), (1203, 15580), (1230, 15238), (1558, 12030), (1604, 11685), (2005, 9348), (2337, 8020), (2406, 7790), (2460, 7619), (3116, 6015), (3895, 4812), (4010, 4674)]