18210930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 28928910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 743, 817, 1290, 1486, 1634, 2229, 2451, 3715, 4085, 4458, 4902, 7430, 8170, 11145, 12255, 14117, 22290, 24510, 28234, 31949, 42351, 63898, 70585, 84702, 95847, 141170, 159745, 191694, 211755, 319490, 423510, 479235, 607031, 958470, 1214062, 1821093, 3035155, 3642186, 6070310, 9105465, 18210930]

約数ペア:

[(1, 18210930), (2, 9105465), (3, 6070310), (5, 3642186), (6, 3035155), (10, 1821093), (15, 1214062), (19, 958470), (30, 607031), (38, 479235), (43, 423510), (57, 319490), (86, 211755), (95, 191694), (114, 159745), (129, 141170), (190, 95847), (215, 84702), (258, 70585), (285, 63898), (430, 42351), (570, 31949), (645, 28234), (743, 24510), (817, 22290), (1290, 14117), (1486, 12255), (1634, 11145), (2229, 8170), (2451, 7430), (3715, 4902), (4085, 4458)]