19113484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 18819572

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 167, 284, 334, 403, 668, 806, 923, 1612, 1846, 2171, 2201, 3692, 4342, 4402, 5177, 8684, 8804, 10354, 11857, 20708, 23714, 28613, 47428, 57226, 67301, 114452, 134602, 154141, 269204, 308282, 367567, 616564, 735134, 1470268, 4778371, 9556742, 19113484]

約数ペア:

[(1, 19113484), (2, 9556742), (4, 4778371), (13, 1470268), (26, 735134), (31, 616564), (52, 367567), (62, 308282), (71, 269204), (124, 154141), (142, 134602), (167, 114452), (284, 67301), (334, 57226), (403, 47428), (668, 28613), (806, 23714), (923, 20708), (1612, 11857), (1846, 10354), (2171, 8804), (2201, 8684), (3692, 5177), (4342, 4402)]