19954650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 49871808

約数和(自身を除く): 29917158

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 151, 302, 453, 755, 881, 906, 1510, 1762, 2265, 2643, 3775, 4405, 4530, 5286, 7550, 8810, 11325, 13215, 22025, 22650, 26430, 44050, 66075, 132150, 133031, 266062, 399093, 665155, 798186, 1330310, 1995465, 3325775, 3990930, 6651550, 9977325, 19954650]

約数ペア:

[(1, 19954650), (2, 9977325), (3, 6651550), (5, 3990930), (6, 3325775), (10, 1995465), (15, 1330310), (25, 798186), (30, 665155), (50, 399093), (75, 266062), (150, 133031), (151, 132150), (302, 66075), (453, 44050), (755, 26430), (881, 22650), (906, 22025), (1510, 13215), (1762, 11325), (2265, 8810), (2643, 7550), (3775, 5286), (4405, 4530)]