19909350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:462

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 34118442

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 151, 225, 293, 302, 450, 453, 586, 755, 879, 906, 1359, 1465, 1510, 1758, 2265, 2637, 2718, 2930, 3775, 4395, 4530, 5274, 6795, 7325, 7550, 8790, 11325, 13185, 13590, 14650, 21975, 22650, 26370, 33975, 43950, 44243, 65925, 67950, 88486, 131850, 132729, 221215, 265458, 398187, 442430, 663645, 796374, 1106075, 1327290, 1990935, 2212150, 3318225, 3981870, 6636450, 9954675, 19909350]

約数ペア:

[(1, 19909350), (2, 9954675), (3, 6636450), (5, 3981870), (6, 3318225), (9, 2212150), (10, 1990935), (15, 1327290), (18, 1106075), (25, 796374), (30, 663645), (45, 442430), (50, 398187), (75, 265458), (90, 221215), (150, 132729), (151, 131850), (225, 88486), (293, 67950), (302, 65925), (450, 44243), (453, 43950), (586, 33975), (755, 26370), (879, 22650), (906, 21975), (1359, 14650), (1465, 13590), (1510, 13185), (1758, 11325), (2265, 8790), (2637, 7550), (2718, 7325), (2930, 6795), (3775, 5274), (4395, 4530)]