18943148

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 21276052

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 569, 574, 812, 1138, 1148, 1189, 2276, 2378, 3983, 4756, 7966, 8323, 15932, 16501, 16646, 23329, 33002, 33292, 46658, 66004, 93316, 115507, 163303, 231014, 326606, 462028, 653212, 676541, 1353082, 2706164, 4735787, 9471574, 18943148]

約数ペア:

[(1, 18943148), (2, 9471574), (4, 4735787), (7, 2706164), (14, 1353082), (28, 676541), (29, 653212), (41, 462028), (58, 326606), (82, 231014), (116, 163303), (164, 115507), (203, 93316), (287, 66004), (406, 46658), (569, 33292), (574, 33002), (812, 23329), (1138, 16646), (1148, 16501), (1189, 15932), (2276, 8323), (2378, 7966), (3983, 4756)]