19751480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3067}}^1$

素因数の和:3108

約数の個数: 64

約数和(自身を含む): 53015040

約数和(自身を除く): 33263560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3067, 3220, 6134, 6440, 12268, 15335, 21469, 24536, 30670, 42938, 61340, 70541, 85876, 107345, 122680, 141082, 171752, 214690, 282164, 352705, 429380, 493787, 564328, 705410, 858760, 987574, 1410820, 1975148, 2468935, 2821640, 3950296, 4937870, 9875740, 19751480]

約数ペア:

[(1, 19751480), (2, 9875740), (4, 4937870), (5, 3950296), (7, 2821640), (8, 2468935), (10, 1975148), (14, 1410820), (20, 987574), (23, 858760), (28, 705410), (35, 564328), (40, 493787), (46, 429380), (56, 352705), (70, 282164), (92, 214690), (115, 171752), (140, 141082), (161, 122680), (184, 107345), (230, 85876), (280, 70541), (322, 61340), (460, 42938), (644, 30670), (805, 24536), (920, 21469), (1288, 15335), (1610, 12268), (3067, 6440), (3220, 6134)]