18403769864

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{2617}}^1\times {\mathrm{20443}}^1$

素因数の和:23109

約数の個数: 32

約数和(自身を含む): 35324778720

約数和(自身を除く): 16921008856

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 2617, 5234, 10468, 20443, 20936, 40886, 81772, 112531, 163544, 225062, 450124, 879049, 900248, 1758098, 3516196, 7032392, 53499331, 106998662, 213997324, 427994648, 2300471233, 4600942466, 9201884932, 18403769864]

約数ペア:

[(1, 18403769864), (2, 9201884932), (4, 4600942466), (8, 2300471233), (43, 427994648), (86, 213997324), (172, 106998662), (344, 53499331), (2617, 7032392), (5234, 3516196), (10468, 1758098), (20443, 900248), (20936, 879049), (40886, 450124), (81772, 225062), (112531, 163544)]