19813140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36691}}^1$

素因数の和:36709

約数の個数: 48

約数和(自身を含む): 61642560

約数和(自身を除く): 41829420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36691, 73382, 110073, 146764, 183455, 220146, 330219, 366910, 440292, 550365, 660438, 733820, 990657, 1100730, 1320876, 1651095, 1981314, 2201460, 3302190, 3962628, 4953285, 6604380, 9906570, 19813140]

約数ペア:

[(1, 19813140), (2, 9906570), (3, 6604380), (4, 4953285), (5, 3962628), (6, 3302190), (9, 2201460), (10, 1981314), (12, 1651095), (15, 1320876), (18, 1100730), (20, 990657), (27, 733820), (30, 660438), (36, 550365), (45, 440292), (54, 366910), (60, 330219), (90, 220146), (108, 183455), (135, 146764), (180, 110073), (270, 73382), (540, 36691)]