18940116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{383}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 47867904

約数和(自身を除く): 28927788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 317, 383, 634, 766, 951, 1149, 1268, 1532, 1902, 2298, 3804, 4121, 4596, 4979, 8242, 9958, 12363, 14937, 16484, 19916, 24726, 29874, 49452, 59748, 121411, 242822, 364233, 485644, 728466, 1456932, 1578343, 3156686, 4735029, 6313372, 9470058, 18940116]

約数ペア:

[(1, 18940116), (2, 9470058), (3, 6313372), (4, 4735029), (6, 3156686), (12, 1578343), (13, 1456932), (26, 728466), (39, 485644), (52, 364233), (78, 242822), (156, 121411), (317, 59748), (383, 49452), (634, 29874), (766, 24726), (951, 19916), (1149, 16484), (1268, 14937), (1532, 12363), (1902, 9958), (2298, 8242), (3804, 4979), (4121, 4596)]