19190925

素因数分解:

$3^{10}\times 5^2\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 66

約数和(自身を含む): 38440682

約数和(自身を除く): 19249757

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 405, 585, 675, 729, 975, 1053, 1215, 1755, 2025, 2187, 2925, 3159, 3645, 5265, 6075, 6561, 8775, 9477, 10935, 15795, 18225, 19683, 26325, 28431, 32805, 47385, 54675, 59049, 78975, 85293, 98415, 142155, 164025, 236925, 255879, 295245, 426465, 492075, 710775, 767637, 1279395, 1476225, 2132325, 3838185, 6396975, 19190925]

約数ペア:

[(1, 19190925), (3, 6396975), (5, 3838185), (9, 2132325), (13, 1476225), (15, 1279395), (25, 767637), (27, 710775), (39, 492075), (45, 426465), (65, 295245), (75, 255879), (81, 236925), (117, 164025), (135, 142155), (195, 98415), (225, 85293), (243, 78975), (325, 59049), (351, 54675), (405, 47385), (585, 32805), (675, 28431), (729, 26325), (975, 19683), (1053, 18225), (1215, 15795), (1755, 10935), (2025, 9477), (2187, 8775), (2925, 6561), (3159, 6075), (3645, 5265)]