18707724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 54975648

約数和(自身を除く): 36267924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1217, 1281, 1708, 2196, 2434, 2562, 3651, 3843, 4868, 5124, 7302, 7686, 8519, 10953, 14604, 15372, 17038, 21906, 25557, 34076, 43812, 51114, 74237, 76671, 102228, 148474, 153342, 222711, 296948, 306684, 445422, 519659, 668133, 890844, 1039318, 1336266, 1558977, 2078636, 2672532, 3117954, 4676931, 6235908, 9353862, 18707724]

約数ペア:

[(1, 18707724), (2, 9353862), (3, 6235908), (4, 4676931), (6, 3117954), (7, 2672532), (9, 2078636), (12, 1558977), (14, 1336266), (18, 1039318), (21, 890844), (28, 668133), (36, 519659), (42, 445422), (61, 306684), (63, 296948), (84, 222711), (122, 153342), (126, 148474), (183, 102228), (244, 76671), (252, 74237), (366, 51114), (427, 43812), (549, 34076), (732, 25557), (854, 21906), (1098, 17038), (1217, 15372), (1281, 14604), (1708, 10953), (2196, 8519), (2434, 7686), (2562, 7302), (3651, 5124), (3843, 4868)]