18043312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 43052800

約数和(自身を除く): 25009488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 61, 76, 112, 122, 133, 139, 152, 244, 266, 278, 304, 427, 488, 532, 556, 854, 973, 976, 1064, 1112, 1159, 1708, 1946, 2128, 2224, 2318, 2641, 3416, 3892, 4636, 5282, 6832, 7784, 8113, 8479, 9272, 10564, 15568, 16226, 16958, 18487, 18544, 21128, 32452, 33916, 36974, 42256, 59353, 64904, 67832, 73948, 118706, 129808, 135664, 147896, 161101, 237412, 295792, 322202, 474824, 644404, 949648, 1127707, 1288808, 2255414, 2577616, 4510828, 9021656, 18043312]

約数ペア:

[(1, 18043312), (2, 9021656), (4, 4510828), (7, 2577616), (8, 2255414), (14, 1288808), (16, 1127707), (19, 949648), (28, 644404), (38, 474824), (56, 322202), (61, 295792), (76, 237412), (112, 161101), (122, 147896), (133, 135664), (139, 129808), (152, 118706), (244, 73948), (266, 67832), (278, 64904), (304, 59353), (427, 42256), (488, 36974), (532, 33916), (556, 32452), (854, 21128), (973, 18544), (976, 18487), (1064, 16958), (1112, 16226), (1159, 15568), (1708, 10564), (1946, 9272), (2128, 8479), (2224, 8113), (2318, 7784), (2641, 6832), (3416, 5282), (3892, 4636)]