1916804968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{970043}}^1$

素因数の和:970081

約数の個数: 32

約数和(自身を含む): 4074184800

約数和(自身を除く): 2157379832

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 970043, 1940086, 3880172, 7760344, 12610559, 18430817, 25221118, 36861634, 50442236, 73723268, 100884472, 147446536, 239600621, 479201242, 958402484, 1916804968]

約数ペア:

[(1, 1916804968), (2, 958402484), (4, 479201242), (8, 239600621), (13, 147446536), (19, 100884472), (26, 73723268), (38, 50442236), (52, 36861634), (76, 25221118), (104, 18430817), (152, 12610559), (247, 7760344), (494, 3880172), (988, 1940086), (1976, 970043)]