19938165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1733}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 34957440

約数和(自身を除く): 15019275

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 177, 195, 295, 767, 885, 1733, 2301, 3835, 5199, 8665, 11505, 22529, 25995, 67587, 102247, 112645, 306741, 337935, 511235, 1329211, 1533705, 3987633, 6646055, 19938165]

約数ペア:

[(1, 19938165), (3, 6646055), (5, 3987633), (13, 1533705), (15, 1329211), (39, 511235), (59, 337935), (65, 306741), (177, 112645), (195, 102247), (295, 67587), (767, 25995), (885, 22529), (1733, 11505), (2301, 8665), (3835, 5199)]