18489276

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1013}}^1$

素因数の和:1052

約数の個数: 72

約数和(自身を含む): 51957360

約数和(自身を除く): 33468084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1013, 1014, 1404, 1521, 2026, 2028, 3039, 3042, 4052, 4563, 6078, 6084, 9117, 9126, 12156, 13169, 18234, 18252, 26338, 27351, 36468, 39507, 52676, 54702, 79014, 109404, 118521, 158028, 171197, 237042, 342394, 355563, 474084, 513591, 684788, 711126, 1027182, 1422252, 1540773, 2054364, 3081546, 4622319, 6163092, 9244638, 18489276]

約数ペア:

[(1, 18489276), (2, 9244638), (3, 6163092), (4, 4622319), (6, 3081546), (9, 2054364), (12, 1540773), (13, 1422252), (18, 1027182), (26, 711126), (27, 684788), (36, 513591), (39, 474084), (52, 355563), (54, 342394), (78, 237042), (108, 171197), (117, 158028), (156, 118521), (169, 109404), (234, 79014), (338, 54702), (351, 52676), (468, 39507), (507, 36468), (676, 27351), (702, 26338), (1013, 18252), (1014, 18234), (1404, 13169), (1521, 12156), (2026, 9126), (2028, 9117), (3039, 6084), (3042, 6078), (4052, 4563)]