18615216

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 51068160

約数和(自身を除く): 32452944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 43, 48, 58, 86, 87, 116, 129, 172, 174, 232, 258, 311, 344, 348, 464, 516, 622, 688, 696, 933, 1032, 1244, 1247, 1392, 1866, 2064, 2488, 2494, 3732, 3741, 4976, 4988, 7464, 7482, 9019, 9976, 13373, 14928, 14964, 18038, 19952, 26746, 27057, 29928, 36076, 40119, 53492, 54114, 59856, 72152, 80238, 106984, 108228, 144304, 160476, 213968, 216456, 320952, 387817, 432912, 641904, 775634, 1163451, 1551268, 2326902, 3102536, 4653804, 6205072, 9307608, 18615216]

約数ペア:

[(1, 18615216), (2, 9307608), (3, 6205072), (4, 4653804), (6, 3102536), (8, 2326902), (12, 1551268), (16, 1163451), (24, 775634), (29, 641904), (43, 432912), (48, 387817), (58, 320952), (86, 216456), (87, 213968), (116, 160476), (129, 144304), (172, 108228), (174, 106984), (232, 80238), (258, 72152), (311, 59856), (344, 54114), (348, 53492), (464, 40119), (516, 36076), (622, 29928), (688, 27057), (696, 26746), (933, 19952), (1032, 18038), (1244, 14964), (1247, 14928), (1392, 13373), (1866, 9976), (2064, 9019), (2488, 7482), (2494, 7464), (3732, 4988), (3741, 4976)]