18963173934

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{67537}}^1$

素因数の和:68385

約数の個数: 48

約数和(自身を含む): 43302664080

約数和(自身を除く): 24339490146

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 821, 1642, 2463, 4926, 7389, 14778, 15599, 31198, 46797, 67537, 93594, 135074, 140391, 202611, 280782, 405222, 607833, 1215666, 1283203, 2566406, 3849609, 7699218, 11548827, 23097654, 55447877, 110895754, 166343631, 332687262, 499030893, 998061786, 1053509663, 2107019326, 3160528989, 6321057978, 9481586967, 18963173934]

約数ペア:

[(1, 18963173934), (2, 9481586967), (3, 6321057978), (6, 3160528989), (9, 2107019326), (18, 1053509663), (19, 998061786), (38, 499030893), (57, 332687262), (114, 166343631), (171, 110895754), (342, 55447877), (821, 23097654), (1642, 11548827), (2463, 7699218), (4926, 3849609), (7389, 2566406), (14778, 1283203), (15599, 1215666), (31198, 607833), (46797, 405222), (67537, 280782), (93594, 202611), (135074, 140391)]