19929385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 30044160

約数和(自身を除く): 10114775

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 1303, 2185, 3059, 6515, 9121, 15295, 24757, 29969, 45605, 123785, 149845, 173299, 209783, 569411, 866495, 1048915, 2847055, 3985877, 19929385]

約数ペア:

[(1, 19929385), (5, 3985877), (7, 2847055), (19, 1048915), (23, 866495), (35, 569411), (95, 209783), (115, 173299), (133, 149845), (161, 123785), (437, 45605), (665, 29969), (805, 24757), (1303, 15295), (2185, 9121), (3059, 6515)]