19656390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3877}}^1$

素因数の和:3913

約数の個数: 48

約数和(自身を含む): 51096528

約数和(自身を除く): 31440138

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 3877, 5070, 7754, 11631, 19385, 23262, 38770, 50401, 58155, 100802, 116310, 151203, 252005, 302406, 504010, 655213, 756015, 1310426, 1512030, 1965639, 3276065, 3931278, 6552130, 9828195, 19656390]

約数ペア:

[(1, 19656390), (2, 9828195), (3, 6552130), (5, 3931278), (6, 3276065), (10, 1965639), (13, 1512030), (15, 1310426), (26, 756015), (30, 655213), (39, 504010), (65, 302406), (78, 252005), (130, 151203), (169, 116310), (195, 100802), (338, 58155), (390, 50401), (507, 38770), (845, 23262), (1014, 19385), (1690, 11631), (2535, 7754), (3877, 5070)]