18668964

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 26489436

約数列:

[1, 2, 3, 4, 6, 12, 47, 79, 94, 141, 158, 188, 237, 282, 316, 419, 474, 564, 838, 948, 1257, 1676, 2514, 3713, 5028, 7426, 11139, 14852, 19693, 22278, 33101, 39386, 44556, 59079, 66202, 78772, 99303, 118158, 132404, 198606, 236316, 397212, 1555747, 3111494, 4667241, 6222988, 9334482, 18668964]

約数ペア:

[(1, 18668964), (2, 9334482), (3, 6222988), (4, 4667241), (6, 3111494), (12, 1555747), (47, 397212), (79, 236316), (94, 198606), (141, 132404), (158, 118158), (188, 99303), (237, 78772), (282, 66202), (316, 59079), (419, 44556), (474, 39386), (564, 33101), (838, 22278), (948, 19693), (1257, 14852), (1676, 11139), (2514, 7426), (3713, 5028)]