18868245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 33174144

約数和(自身を除く): 14305899

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173, 519, 661, 865, 1903, 1983, 2595, 3305, 5709, 7271, 9515, 9915, 21813, 28545, 36355, 109065, 114353, 343059, 571765, 1257883, 1715295, 3773649, 6289415, 18868245]

約数ペア:

[(1, 18868245), (3, 6289415), (5, 3773649), (11, 1715295), (15, 1257883), (33, 571765), (55, 343059), (165, 114353), (173, 109065), (519, 36355), (661, 28545), (865, 21813), (1903, 9915), (1983, 9515), (2595, 7271), (3305, 5709)]