18528900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4751}}^1$

素因数の和:4781

約数の個数: 72

約数和(自身を含む): 57746304

約数和(自身を除く): 39217404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 4751, 9502, 14253, 19004, 23755, 28506, 47510, 57012, 61763, 71265, 95020, 118775, 123526, 142530, 185289, 237550, 247052, 285060, 308815, 356325, 370578, 475100, 617630, 712650, 741156, 926445, 1235260, 1425300, 1544075, 1852890, 3088150, 3705780, 4632225, 6176300, 9264450, 18528900]

約数ペア:

[(1, 18528900), (2, 9264450), (3, 6176300), (4, 4632225), (5, 3705780), (6, 3088150), (10, 1852890), (12, 1544075), (13, 1425300), (15, 1235260), (20, 926445), (25, 741156), (26, 712650), (30, 617630), (39, 475100), (50, 370578), (52, 356325), (60, 308815), (65, 285060), (75, 247052), (78, 237550), (100, 185289), (130, 142530), (150, 123526), (156, 118775), (195, 95020), (260, 71265), (300, 61763), (325, 57012), (390, 47510), (650, 28506), (780, 23755), (975, 19004), (1300, 14253), (1950, 9502), (3900, 4751)]