18834320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12391}}^1$

素因数の和:12423

約数の個数: 40

約数和(自身を含む): 46098240

約数和(自身を除く): 27263920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12391, 24782, 49564, 61955, 99128, 123910, 198256, 235429, 247820, 470858, 495640, 941716, 991280, 1177145, 1883432, 2354290, 3766864, 4708580, 9417160, 18834320]

約数ペア:

[(1, 18834320), (2, 9417160), (4, 4708580), (5, 3766864), (8, 2354290), (10, 1883432), (16, 1177145), (19, 991280), (20, 941716), (38, 495640), (40, 470858), (76, 247820), (80, 235429), (95, 198256), (152, 123910), (190, 99128), (304, 61955), (380, 49564), (760, 24782), (1520, 12391)]