18137252

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 39481848

約数和(自身を除く): 21344596

約数列:

[1, 2, 4, 7, 14, 28, 37, 41, 49, 61, 74, 82, 98, 122, 148, 164, 196, 244, 259, 287, 427, 518, 574, 854, 1036, 1148, 1517, 1708, 1813, 2009, 2257, 2501, 2989, 3034, 3626, 4018, 4514, 5002, 5978, 6068, 7252, 8036, 9028, 10004, 10619, 11956, 15799, 17507, 21238, 31598, 35014, 42476, 63196, 70028, 74333, 92537, 110593, 122549, 148666, 185074, 221186, 245098, 297332, 370148, 442372, 490196, 647759, 1295518, 2591036, 4534313, 9068626, 18137252]

約数ペア:

[(1, 18137252), (2, 9068626), (4, 4534313), (7, 2591036), (14, 1295518), (28, 647759), (37, 490196), (41, 442372), (49, 370148), (61, 297332), (74, 245098), (82, 221186), (98, 185074), (122, 148666), (148, 122549), (164, 110593), (196, 92537), (244, 74333), (259, 70028), (287, 63196), (427, 42476), (518, 35014), (574, 31598), (854, 21238), (1036, 17507), (1148, 15799), (1517, 11956), (1708, 10619), (1813, 10004), (2009, 9028), (2257, 8036), (2501, 7252), (2989, 6068), (3034, 5978), (3626, 5002), (4018, 4514)]