18419456

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 41599488

約数和(自身を除く): 23180032

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 211, 248, 256, 341, 352, 422, 496, 682, 704, 844, 992, 1364, 1408, 1688, 1984, 2321, 2728, 2816, 3376, 3968, 4642, 5456, 6541, 6752, 7936, 9284, 10912, 13082, 13504, 18568, 21824, 26164, 27008, 37136, 43648, 52328, 54016, 71951, 74272, 87296, 104656, 143902, 148544, 209312, 287804, 297088, 418624, 575608, 594176, 837248, 1151216, 1674496, 2302432, 4604864, 9209728, 18419456]

約数ペア:

[(1, 18419456), (2, 9209728), (4, 4604864), (8, 2302432), (11, 1674496), (16, 1151216), (22, 837248), (31, 594176), (32, 575608), (44, 418624), (62, 297088), (64, 287804), (88, 209312), (124, 148544), (128, 143902), (176, 104656), (211, 87296), (248, 74272), (256, 71951), (341, 54016), (352, 52328), (422, 43648), (496, 37136), (682, 27008), (704, 26164), (844, 21824), (992, 18568), (1364, 13504), (1408, 13082), (1688, 10912), (1984, 9284), (2321, 7936), (2728, 6752), (2816, 6541), (3376, 5456), (3968, 4642)]