19854768

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{6781}}^1$

素因数の和:6853

約数の個数: 40

約数和(自身を含む): 52140016

約数和(自身を除く): 32285248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 6781, 13562, 20343, 27124, 40686, 54248, 81372, 108496, 162744, 325488, 413641, 827282, 1240923, 1654564, 2481846, 3309128, 4963692, 6618256, 9927384, 19854768]

約数ペア:

[(1, 19854768), (2, 9927384), (3, 6618256), (4, 4963692), (6, 3309128), (8, 2481846), (12, 1654564), (16, 1240923), (24, 827282), (48, 413641), (61, 325488), (122, 162744), (183, 108496), (244, 81372), (366, 54248), (488, 40686), (732, 27124), (976, 20343), (1464, 13562), (2928, 6781)]