19725450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 49416480

約数和(自身を除く): 29691030

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 107, 150, 214, 321, 535, 642, 1070, 1229, 1605, 2458, 2675, 3210, 3687, 5350, 6145, 7374, 8025, 12290, 16050, 18435, 30725, 36870, 61450, 92175, 131503, 184350, 263006, 394509, 657515, 789018, 1315030, 1972545, 3287575, 3945090, 6575150, 9862725, 19725450]

約数ペア:

[(1, 19725450), (2, 9862725), (3, 6575150), (5, 3945090), (6, 3287575), (10, 1972545), (15, 1315030), (25, 789018), (30, 657515), (50, 394509), (75, 263006), (107, 184350), (150, 131503), (214, 92175), (321, 61450), (535, 36870), (642, 30725), (1070, 18435), (1229, 16050), (1605, 12290), (2458, 8025), (2675, 7374), (3210, 6145), (3687, 5350)]