18314480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12049}}^1$

素因数の和:12081

約数の個数: 40

約数和(自身を含む): 44826000

約数和(自身を除く): 26511520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12049, 24098, 48196, 60245, 96392, 120490, 192784, 228931, 240980, 457862, 481960, 915724, 963920, 1144655, 1831448, 2289310, 3662896, 4578620, 9157240, 18314480]

約数ペア:

[(1, 18314480), (2, 9157240), (4, 4578620), (5, 3662896), (8, 2289310), (10, 1831448), (16, 1144655), (19, 963920), (20, 915724), (38, 481960), (40, 457862), (76, 240980), (80, 228931), (95, 192784), (152, 120490), (190, 96392), (304, 60245), (380, 48196), (760, 24098), (1520, 12049)]