18540064

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 39068568

約数和(自身を除く): 20528504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 173, 197, 272, 346, 394, 544, 692, 788, 1384, 1576, 2768, 2941, 3152, 3349, 5536, 5882, 6304, 6698, 11764, 13396, 23528, 26792, 34081, 47056, 53584, 68162, 94112, 107168, 136324, 272648, 545296, 579377, 1090592, 1158754, 2317508, 4635016, 9270032, 18540064]

約数ペア:

[(1, 18540064), (2, 9270032), (4, 4635016), (8, 2317508), (16, 1158754), (17, 1090592), (32, 579377), (34, 545296), (68, 272648), (136, 136324), (173, 107168), (197, 94112), (272, 68162), (346, 53584), (394, 47056), (544, 34081), (692, 26792), (788, 23528), (1384, 13396), (1576, 11764), (2768, 6698), (2941, 6304), (3152, 5882), (3349, 5536)]