42720018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 99724464

約数和(自身を除く): 57004446

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 121, 163, 209, 242, 326, 361, 363, 418, 489, 627, 722, 726, 978, 1083, 1254, 1793, 2166, 2299, 3097, 3586, 3971, 4598, 5379, 6194, 6897, 7942, 9291, 10758, 11913, 13794, 18582, 19723, 23826, 34067, 39446, 43681, 58843, 59169, 68134, 87362, 102201, 117686, 118338, 131043, 176529, 204402, 262086, 353058, 374737, 647273, 749474, 1124211, 1294546, 1941819, 2248422, 3883638, 7120003, 14240006, 21360009, 42720018]

約数ペア:

[(1, 42720018), (2, 21360009), (3, 14240006), (6, 7120003), (11, 3883638), (19, 2248422), (22, 1941819), (33, 1294546), (38, 1124211), (57, 749474), (66, 647273), (114, 374737), (121, 353058), (163, 262086), (209, 204402), (242, 176529), (326, 131043), (361, 118338), (363, 117686), (418, 102201), (489, 87362), (627, 68134), (722, 59169), (726, 58843), (978, 43681), (1083, 39446), (1254, 34067), (1793, 23826), (2166, 19723), (2299, 18582), (3097, 13794), (3586, 11913), (3971, 10758), (4598, 9291), (5379, 7942), (6194, 6897)]