19819185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 33644160

約数和(自身を除く): 13824975

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 353, 591, 985, 1059, 1765, 2955, 3743, 5295, 6707, 11229, 18715, 20121, 33535, 56145, 69541, 100605, 208623, 347705, 1043115, 1321279, 3963837, 6606395, 19819185]

約数ペア:

[(1, 19819185), (3, 6606395), (5, 3963837), (15, 1321279), (19, 1043115), (57, 347705), (95, 208623), (197, 100605), (285, 69541), (353, 56145), (591, 33535), (985, 20121), (1059, 18715), (1765, 11229), (2955, 6707), (3743, 5295)]