19881018

素因数分解:

$2^1\times 3^3\times {\mathrm{347}}^1\times {\mathrm{1061}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 44349120

約数和(自身を除く): 24468102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 347, 694, 1041, 1061, 2082, 2122, 3123, 3183, 6246, 6366, 9369, 9549, 18738, 19098, 28647, 57294, 368167, 736334, 1104501, 2209002, 3313503, 6627006, 9940509, 19881018]

約数ペア:

[(1, 19881018), (2, 9940509), (3, 6627006), (6, 3313503), (9, 2209002), (18, 1104501), (27, 736334), (54, 368167), (347, 57294), (694, 28647), (1041, 19098), (1061, 18738), (2082, 9549), (2122, 9369), (3123, 6366), (3183, 6246)]