18988884

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 49539840

約数和(自身を除く): 30550956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 911, 1158, 1737, 1822, 2316, 2733, 3474, 3644, 5211, 5466, 6948, 8199, 10422, 10932, 16398, 20844, 24597, 32796, 49194, 98388, 175823, 351646, 527469, 703292, 1054938, 1582407, 2109876, 3164814, 4747221, 6329628, 9494442, 18988884]

約数ペア:

[(1, 18988884), (2, 9494442), (3, 6329628), (4, 4747221), (6, 3164814), (9, 2109876), (12, 1582407), (18, 1054938), (27, 703292), (36, 527469), (54, 351646), (108, 175823), (193, 98388), (386, 49194), (579, 32796), (772, 24597), (911, 20844), (1158, 16398), (1737, 10932), (1822, 10422), (2316, 8199), (2733, 6948), (3474, 5466), (3644, 5211)]