18438540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18077}}^1$

素因数の和:18106

約数の個数: 48

約数和(自身を含む): 54667872

約数和(自身を除く): 36229332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18077, 36154, 54231, 72308, 90385, 108462, 180770, 216924, 271155, 307309, 361540, 542310, 614618, 921927, 1084620, 1229236, 1536545, 1843854, 3073090, 3687708, 4609635, 6146180, 9219270, 18438540]

約数ペア:

[(1, 18438540), (2, 9219270), (3, 6146180), (4, 4609635), (5, 3687708), (6, 3073090), (10, 1843854), (12, 1536545), (15, 1229236), (17, 1084620), (20, 921927), (30, 614618), (34, 542310), (51, 361540), (60, 307309), (68, 271155), (85, 216924), (102, 180770), (170, 108462), (204, 90385), (255, 72308), (340, 54231), (510, 36154), (1020, 18077)]