19455650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 39211776

約数和(自身を除く): 19756126

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 170, 235, 425, 470, 487, 799, 850, 974, 1175, 1598, 2350, 2435, 3995, 4870, 7990, 8279, 12175, 16558, 19975, 22889, 24350, 39950, 41395, 45778, 82790, 114445, 206975, 228890, 389113, 413950, 572225, 778226, 1144450, 1945565, 3891130, 9727825, 19455650]

約数ペア:

[(1, 19455650), (2, 9727825), (5, 3891130), (10, 1945565), (17, 1144450), (25, 778226), (34, 572225), (47, 413950), (50, 389113), (85, 228890), (94, 206975), (170, 114445), (235, 82790), (425, 45778), (470, 41395), (487, 39950), (799, 24350), (850, 22889), (974, 19975), (1175, 16558), (1598, 12175), (2350, 8279), (2435, 7990), (3995, 4870)]