18649044

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 49900032

約数和(自身を除く): 31250988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 101, 138, 202, 207, 223, 276, 303, 404, 414, 446, 606, 669, 828, 892, 909, 1212, 1338, 1818, 2007, 2323, 2676, 3636, 4014, 4646, 5129, 6969, 8028, 9292, 10258, 13938, 15387, 20516, 20907, 22523, 27876, 30774, 41814, 45046, 46161, 61548, 67569, 83628, 90092, 92322, 135138, 184644, 202707, 270276, 405414, 518029, 810828, 1036058, 1554087, 2072116, 3108174, 4662261, 6216348, 9324522, 18649044]

約数ペア:

[(1, 18649044), (2, 9324522), (3, 6216348), (4, 4662261), (6, 3108174), (9, 2072116), (12, 1554087), (18, 1036058), (23, 810828), (36, 518029), (46, 405414), (69, 270276), (92, 202707), (101, 184644), (138, 135138), (202, 92322), (207, 90092), (223, 83628), (276, 67569), (303, 61548), (404, 46161), (414, 45046), (446, 41814), (606, 30774), (669, 27876), (828, 22523), (892, 20907), (909, 20516), (1212, 15387), (1338, 13938), (1818, 10258), (2007, 9292), (2323, 8028), (2676, 6969), (3636, 5129), (4014, 4646)]