19209484

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 40783680

約数和(自身を除く): 21574196

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 574, 577, 812, 1148, 1154, 1189, 2308, 2378, 4039, 4756, 8078, 8323, 16156, 16646, 16733, 23657, 33292, 33466, 47314, 66932, 94628, 117131, 165599, 234262, 331198, 468524, 662396, 686053, 1372106, 2744212, 4802371, 9604742, 19209484]

約数ペア:

[(1, 19209484), (2, 9604742), (4, 4802371), (7, 2744212), (14, 1372106), (28, 686053), (29, 662396), (41, 468524), (58, 331198), (82, 234262), (116, 165599), (164, 117131), (203, 94628), (287, 66932), (406, 47314), (574, 33466), (577, 33292), (812, 23657), (1148, 16733), (1154, 16646), (1189, 16156), (2308, 8323), (2378, 8078), (4039, 4756)]