18983340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 57945888

約数和(自身を除く): 38962548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 401, 526, 789, 802, 1052, 1203, 1315, 1578, 1604, 2005, 2367, 2406, 2630, 3156, 3609, 3945, 4010, 4734, 4812, 5260, 6015, 7218, 7890, 8020, 9468, 11835, 12030, 14436, 15780, 18045, 23670, 24060, 36090, 47340, 72180, 105463, 210926, 316389, 421852, 527315, 632778, 949167, 1054630, 1265556, 1581945, 1898334, 2109260, 3163890, 3796668, 4745835, 6327780, 9491670, 18983340]

約数ペア:

[(1, 18983340), (2, 9491670), (3, 6327780), (4, 4745835), (5, 3796668), (6, 3163890), (9, 2109260), (10, 1898334), (12, 1581945), (15, 1265556), (18, 1054630), (20, 949167), (30, 632778), (36, 527315), (45, 421852), (60, 316389), (90, 210926), (180, 105463), (263, 72180), (401, 47340), (526, 36090), (789, 24060), (802, 23670), (1052, 18045), (1203, 15780), (1315, 14436), (1578, 12030), (1604, 11835), (2005, 9468), (2367, 8020), (2406, 7890), (2630, 7218), (3156, 6015), (3609, 5260), (3945, 4812), (4010, 4734)]