18435990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 48164544

約数和(自身を除く): 29728554

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 74, 85, 102, 111, 170, 185, 222, 255, 370, 510, 555, 629, 977, 1110, 1258, 1887, 1954, 2931, 3145, 3774, 4885, 5862, 6290, 9435, 9770, 14655, 16609, 18870, 29310, 33218, 36149, 49827, 72298, 83045, 99654, 108447, 166090, 180745, 216894, 249135, 361490, 498270, 542235, 614533, 1084470, 1229066, 1843599, 3072665, 3687198, 6145330, 9217995, 18435990]

約数ペア:

[(1, 18435990), (2, 9217995), (3, 6145330), (5, 3687198), (6, 3072665), (10, 1843599), (15, 1229066), (17, 1084470), (30, 614533), (34, 542235), (37, 498270), (51, 361490), (74, 249135), (85, 216894), (102, 180745), (111, 166090), (170, 108447), (185, 99654), (222, 83045), (255, 72298), (370, 49827), (510, 36149), (555, 33218), (629, 29310), (977, 18870), (1110, 16609), (1258, 14655), (1887, 9770), (1954, 9435), (2931, 6290), (3145, 5862), (3774, 4885)]