18960105

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 31215744

約数和(自身を除く): 12255639

約数列:

[1, 3, 5, 15, 83, 97, 157, 249, 291, 415, 471, 485, 785, 1245, 1455, 2355, 8051, 13031, 15229, 24153, 39093, 40255, 45687, 65155, 76145, 120765, 195465, 228435, 1264007, 3792021, 6320035, 18960105]

約数ペア:

[(1, 18960105), (3, 6320035), (5, 3792021), (15, 1264007), (83, 228435), (97, 195465), (157, 120765), (249, 76145), (291, 65155), (415, 45687), (471, 40255), (485, 39093), (785, 24153), (1245, 15229), (1455, 13031), (2355, 8051)]