18318860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29581300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 68, 70, 85, 86, 119, 140, 170, 172, 179, 215, 238, 301, 340, 358, 430, 476, 595, 602, 716, 731, 860, 895, 1190, 1204, 1253, 1462, 1505, 1790, 2380, 2506, 2924, 3010, 3043, 3580, 3655, 5012, 5117, 6020, 6086, 6265, 7310, 7697, 10234, 12172, 12530, 14620, 15215, 15394, 20468, 21301, 25060, 25585, 30430, 30788, 38485, 42602, 51170, 53879, 60860, 76970, 85204, 102340, 106505, 107758, 130849, 153940, 213010, 215516, 261698, 269395, 426020, 523396, 538790, 654245, 915943, 1077580, 1308490, 1831886, 2616980, 3663772, 4579715, 9159430, 18318860]

約数ペア:

[(1, 18318860), (2, 9159430), (4, 4579715), (5, 3663772), (7, 2616980), (10, 1831886), (14, 1308490), (17, 1077580), (20, 915943), (28, 654245), (34, 538790), (35, 523396), (43, 426020), (68, 269395), (70, 261698), (85, 215516), (86, 213010), (119, 153940), (140, 130849), (170, 107758), (172, 106505), (179, 102340), (215, 85204), (238, 76970), (301, 60860), (340, 53879), (358, 51170), (430, 42602), (476, 38485), (595, 30788), (602, 30430), (716, 25585), (731, 25060), (860, 21301), (895, 20468), (1190, 15394), (1204, 15215), (1253, 14620), (1462, 12530), (1505, 12172), (1790, 10234), (2380, 7697), (2506, 7310), (2924, 6265), (3010, 6086), (3043, 6020), (3580, 5117), (3655, 5012)]