19639576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3331}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 40783680

約数和(自身を除く): 21144104

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3331, 5896, 6662, 13324, 26648, 36641, 73282, 146564, 223177, 293128, 446354, 892708, 1785416, 2454947, 4909894, 9819788, 19639576]

約数ペア:

[(1, 19639576), (2, 9819788), (4, 4909894), (8, 2454947), (11, 1785416), (22, 892708), (44, 446354), (67, 293128), (88, 223177), (134, 146564), (268, 73282), (536, 36641), (737, 26648), (1474, 13324), (2948, 6662), (3331, 5896)]