19645650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 53316900

約数和(自身を除く): 33671250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 149, 150, 225, 293, 298, 447, 450, 586, 745, 879, 894, 1341, 1465, 1490, 1758, 2235, 2637, 2682, 2930, 3725, 4395, 4470, 5274, 6705, 7325, 7450, 8790, 11175, 13185, 13410, 14650, 21975, 22350, 26370, 33525, 43657, 43950, 65925, 67050, 87314, 130971, 131850, 218285, 261942, 392913, 436570, 654855, 785826, 1091425, 1309710, 1964565, 2182850, 3274275, 3929130, 6548550, 9822825, 19645650]

約数ペア:

[(1, 19645650), (2, 9822825), (3, 6548550), (5, 3929130), (6, 3274275), (9, 2182850), (10, 1964565), (15, 1309710), (18, 1091425), (25, 785826), (30, 654855), (45, 436570), (50, 392913), (75, 261942), (90, 218285), (149, 131850), (150, 130971), (225, 87314), (293, 67050), (298, 65925), (447, 43950), (450, 43657), (586, 33525), (745, 26370), (879, 22350), (894, 21975), (1341, 14650), (1465, 13410), (1490, 13185), (1758, 11175), (2235, 8790), (2637, 7450), (2682, 7325), (2930, 6705), (3725, 5274), (4395, 4470)]