19764180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5779}}^1$

素因数の和:5813

約数の個数: 72

約数和(自身を含む): 63117600

約数和(自身を除く): 43353420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5779, 11558, 17337, 23116, 28895, 34674, 52011, 57790, 69348, 86685, 104022, 109801, 115580, 173370, 208044, 219602, 260055, 329403, 346740, 439204, 520110, 549005, 658806, 988209, 1040220, 1098010, 1317612, 1647015, 1976418, 2196020, 3294030, 3952836, 4941045, 6588060, 9882090, 19764180]

約数ペア:

[(1, 19764180), (2, 9882090), (3, 6588060), (4, 4941045), (5, 3952836), (6, 3294030), (9, 2196020), (10, 1976418), (12, 1647015), (15, 1317612), (18, 1098010), (19, 1040220), (20, 988209), (30, 658806), (36, 549005), (38, 520110), (45, 439204), (57, 346740), (60, 329403), (76, 260055), (90, 219602), (95, 208044), (114, 173370), (171, 115580), (180, 109801), (190, 104022), (228, 86685), (285, 69348), (342, 57790), (380, 52011), (570, 34674), (684, 28895), (855, 23116), (1140, 17337), (1710, 11558), (3420, 5779)]