18177138

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 72

約数和(自身を含む): 47136492

約数和(自身を除く): 28959354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 441, 518, 557, 666, 777, 882, 1114, 1554, 1671, 1813, 2331, 3342, 3626, 3899, 4662, 5013, 5439, 7798, 10026, 10878, 11697, 16317, 20609, 23394, 27293, 32634, 35091, 41218, 54586, 61827, 70182, 81879, 123654, 144263, 163758, 185481, 245637, 288526, 370962, 432789, 491274, 865578, 1009841, 1298367, 2019682, 2596734, 3029523, 6059046, 9088569, 18177138]

約数ペア:

[(1, 18177138), (2, 9088569), (3, 6059046), (6, 3029523), (7, 2596734), (9, 2019682), (14, 1298367), (18, 1009841), (21, 865578), (37, 491274), (42, 432789), (49, 370962), (63, 288526), (74, 245637), (98, 185481), (111, 163758), (126, 144263), (147, 123654), (222, 81879), (259, 70182), (294, 61827), (333, 54586), (441, 41218), (518, 35091), (557, 32634), (666, 27293), (777, 23394), (882, 20609), (1114, 16317), (1554, 11697), (1671, 10878), (1813, 10026), (2331, 7798), (3342, 5439), (3626, 5013), (3899, 4662)]