18420133968

素因数分解:

$2^4\times 3^3\times {\mathrm{47}}^1\times {\mathrm{907217}}^1$

素因数の和:907281

約数の個数: 80

約数和(自身を含む): 53997615360

約数和(自身を除く): 35577481392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 47, 48, 54, 72, 94, 108, 141, 144, 188, 216, 282, 376, 423, 432, 564, 752, 846, 1128, 1269, 1692, 2256, 2538, 3384, 5076, 6768, 10152, 20304, 907217, 1814434, 2721651, 3628868, 5443302, 7257736, 8164953, 10886604, 14515472, 16329906, 21773208, 24494859, 32659812, 42639199, 43546416, 48989718, 65319624, 85278398, 97979436, 127917597, 130639248, 170556796, 195958872, 255835194, 341113592, 383752791, 391917744, 511670388, 682227184, 767505582, 1023340776, 1151258373, 1535011164, 2046681552, 2302516746, 3070022328, 4605033492, 6140044656, 9210066984, 18420133968]

約数ペア:

[(1, 18420133968), (2, 9210066984), (3, 6140044656), (4, 4605033492), (6, 3070022328), (8, 2302516746), (9, 2046681552), (12, 1535011164), (16, 1151258373), (18, 1023340776), (24, 767505582), (27, 682227184), (36, 511670388), (47, 391917744), (48, 383752791), (54, 341113592), (72, 255835194), (94, 195958872), (108, 170556796), (141, 130639248), (144, 127917597), (188, 97979436), (216, 85278398), (282, 65319624), (376, 48989718), (423, 43546416), (432, 42639199), (564, 32659812), (752, 24494859), (846, 21773208), (1128, 16329906), (1269, 14515472), (1692, 10886604), (2256, 8164953), (2538, 7257736), (3384, 5443302), (5076, 3628868), (6768, 2721651), (10152, 1814434), (20304, 907217)]