18910950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1061

約数の個数: 48

約数和(自身を含む): 47288640

約数和(自身を除く): 28377690

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 139, 150, 278, 417, 695, 834, 907, 1390, 1814, 2085, 2721, 3475, 4170, 4535, 5442, 6950, 9070, 10425, 13605, 20850, 22675, 27210, 45350, 68025, 126073, 136050, 252146, 378219, 630365, 756438, 1260730, 1891095, 3151825, 3782190, 6303650, 9455475, 18910950]

約数ペア:

[(1, 18910950), (2, 9455475), (3, 6303650), (5, 3782190), (6, 3151825), (10, 1891095), (15, 1260730), (25, 756438), (30, 630365), (50, 378219), (75, 252146), (139, 136050), (150, 126073), (278, 68025), (417, 45350), (695, 27210), (834, 22675), (907, 20850), (1390, 13605), (1814, 10425), (2085, 9070), (2721, 6950), (3475, 5442), (4170, 4535)]