18119196

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 48024704

約数和(自身を除く): 29905508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 61, 74, 111, 122, 148, 183, 222, 223, 244, 333, 366, 444, 446, 549, 666, 669, 732, 892, 1098, 1332, 1338, 2007, 2196, 2257, 2676, 4014, 4514, 6771, 8028, 8251, 9028, 13542, 13603, 16502, 20313, 24753, 27084, 27206, 33004, 40626, 40809, 49506, 54412, 74259, 81252, 81618, 99012, 122427, 148518, 163236, 244854, 297036, 489708, 503311, 1006622, 1509933, 2013244, 3019866, 4529799, 6039732, 9059598, 18119196]

約数ペア:

[(1, 18119196), (2, 9059598), (3, 6039732), (4, 4529799), (6, 3019866), (9, 2013244), (12, 1509933), (18, 1006622), (36, 503311), (37, 489708), (61, 297036), (74, 244854), (111, 163236), (122, 148518), (148, 122427), (183, 99012), (222, 81618), (223, 81252), (244, 74259), (333, 54412), (366, 49506), (444, 40809), (446, 40626), (549, 33004), (666, 27206), (669, 27084), (732, 24753), (892, 20313), (1098, 16502), (1332, 13603), (1338, 13542), (2007, 9028), (2196, 8251), (2257, 8028), (2676, 6771), (4014, 4514)]