18037474

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 18089246

約数列:

[1, 2, 7, 13, 14, 23, 26, 31, 46, 62, 91, 139, 161, 182, 217, 278, 299, 322, 403, 434, 598, 713, 806, 973, 1426, 1807, 1946, 2093, 2821, 3197, 3614, 4186, 4309, 4991, 5642, 6394, 8618, 9269, 9982, 12649, 18538, 22379, 25298, 30163, 41561, 44758, 56017, 60326, 64883, 83122, 99107, 112034, 129766, 198214, 290927, 392119, 581854, 693749, 784238, 1288391, 1387498, 2576782, 9018737, 18037474]

約数ペア:

[(1, 18037474), (2, 9018737), (7, 2576782), (13, 1387498), (14, 1288391), (23, 784238), (26, 693749), (31, 581854), (46, 392119), (62, 290927), (91, 198214), (139, 129766), (161, 112034), (182, 99107), (217, 83122), (278, 64883), (299, 60326), (322, 56017), (403, 44758), (434, 41561), (598, 30163), (713, 25298), (806, 22379), (973, 18538), (1426, 12649), (1807, 9982), (1946, 9269), (2093, 8618), (2821, 6394), (3197, 5642), (3614, 4991), (4186, 4309)]