16814620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44249}}^1$

素因数の和:44277

約数の個数: 24

約数和(自身を含む): 37170000

約数和(自身を除く): 20355380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 44249, 88498, 176996, 221245, 442490, 840731, 884980, 1681462, 3362924, 4203655, 8407310, 16814620]

約数ペア:

[(1, 16814620), (2, 8407310), (4, 4203655), (5, 3362924), (10, 1681462), (19, 884980), (20, 840731), (38, 442490), (76, 221245), (95, 176996), (190, 88498), (380, 44249)]