19698245

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 29474928

約数和(自身を除く): 9776683

約数列:

[1, 5, 7, 35, 37, 41, 49, 53, 185, 205, 245, 259, 265, 287, 371, 1295, 1435, 1517, 1813, 1855, 1961, 2009, 2173, 2597, 7585, 9065, 9805, 10045, 10619, 10865, 12985, 13727, 15211, 53095, 68635, 74333, 76055, 80401, 96089, 106477, 371665, 402005, 480445, 532385, 562807, 2814035, 3939649, 19698245]

約数ペア:

[(1, 19698245), (5, 3939649), (7, 2814035), (35, 562807), (37, 532385), (41, 480445), (49, 402005), (53, 371665), (185, 106477), (205, 96089), (245, 80401), (259, 76055), (265, 74333), (287, 68635), (371, 53095), (1295, 15211), (1435, 13727), (1517, 12985), (1813, 10865), (1855, 10619), (1961, 10045), (2009, 9805), (2173, 9065), (2597, 7585)]