18122368

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 40220640

約数和(自身を除く): 22098272

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 211, 244, 352, 422, 488, 671, 704, 844, 976, 1342, 1408, 1688, 1952, 2321, 2684, 3376, 3904, 4642, 5368, 6752, 7808, 9284, 10736, 12871, 13504, 18568, 21472, 25742, 27008, 37136, 42944, 51484, 74272, 85888, 102968, 141581, 148544, 205936, 283162, 297088, 411872, 566324, 823744, 1132648, 1647488, 2265296, 4530592, 9061184, 18122368]

約数ペア:

[(1, 18122368), (2, 9061184), (4, 4530592), (8, 2265296), (11, 1647488), (16, 1132648), (22, 823744), (32, 566324), (44, 411872), (61, 297088), (64, 283162), (88, 205936), (122, 148544), (128, 141581), (176, 102968), (211, 85888), (244, 74272), (352, 51484), (422, 42944), (488, 37136), (671, 27008), (704, 25742), (844, 21472), (976, 18568), (1342, 13504), (1408, 12871), (1688, 10736), (1952, 9284), (2321, 7808), (2684, 6752), (3376, 5368), (3904, 4642)]