18980784

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:899

約数の個数: 80

約数和(自身を含む): 55576800

約数和(自身を除く): 36596016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 829, 848, 954, 1272, 1431, 1658, 1908, 2487, 2544, 2862, 3316, 3816, 4974, 5724, 6632, 7461, 7632, 9948, 11448, 13264, 14922, 19896, 22383, 22896, 29844, 39792, 43937, 44766, 59688, 87874, 89532, 119376, 131811, 175748, 179064, 263622, 351496, 358128, 395433, 527244, 702992, 790866, 1054488, 1186299, 1581732, 2108976, 2372598, 3163464, 4745196, 6326928, 9490392, 18980784]

約数ペア:

[(1, 18980784), (2, 9490392), (3, 6326928), (4, 4745196), (6, 3163464), (8, 2372598), (9, 2108976), (12, 1581732), (16, 1186299), (18, 1054488), (24, 790866), (27, 702992), (36, 527244), (48, 395433), (53, 358128), (54, 351496), (72, 263622), (106, 179064), (108, 175748), (144, 131811), (159, 119376), (212, 89532), (216, 87874), (318, 59688), (424, 44766), (432, 43937), (477, 39792), (636, 29844), (829, 22896), (848, 22383), (954, 19896), (1272, 14922), (1431, 13264), (1658, 11448), (1908, 9948), (2487, 7632), (2544, 7461), (2862, 6632), (3316, 5724), (3816, 4974)]