18522245

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 28563840

約数和(自身を除く): 10041595

約数列:

[1, 5, 7, 19, 23, 35, 49, 95, 115, 133, 161, 173, 245, 437, 665, 805, 865, 931, 1127, 1211, 2185, 3059, 3287, 3979, 4655, 5635, 6055, 8477, 15295, 16435, 19895, 21413, 23009, 27853, 42385, 75601, 107065, 115045, 139265, 161063, 194971, 378005, 529207, 805315, 974855, 2646035, 3704449, 18522245]

約数ペア:

[(1, 18522245), (5, 3704449), (7, 2646035), (19, 974855), (23, 805315), (35, 529207), (49, 378005), (95, 194971), (115, 161063), (133, 139265), (161, 115045), (173, 107065), (245, 75601), (437, 42385), (665, 27853), (805, 23009), (865, 21413), (931, 19895), (1127, 16435), (1211, 15295), (2185, 8477), (3059, 6055), (3287, 5635), (3979, 4655)]