19521828

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12611}}^1$

素因数の和:12664

約数の個数: 36

約数和(自身を含む): 50498448

約数和(自身を除く): 30976620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12611, 25222, 37833, 50444, 75666, 113499, 151332, 226998, 453996, 542273, 1084546, 1626819, 2169092, 3253638, 4880457, 6507276, 9760914, 19521828]

約数ペア:

[(1, 19521828), (2, 9760914), (3, 6507276), (4, 4880457), (6, 3253638), (9, 2169092), (12, 1626819), (18, 1084546), (36, 542273), (43, 453996), (86, 226998), (129, 151332), (172, 113499), (258, 75666), (387, 50444), (516, 37833), (774, 25222), (1548, 12611)]