17913940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 41477184

約数和(自身を除く): 23563244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 761, 1070, 1177, 1522, 2140, 2354, 3044, 3805, 4708, 5885, 7610, 8371, 11770, 15220, 16742, 23540, 33484, 41855, 81427, 83710, 162854, 167420, 325708, 407135, 814270, 895697, 1628540, 1791394, 3582788, 4478485, 8956970, 17913940]

約数ペア:

[(1, 17913940), (2, 8956970), (4, 4478485), (5, 3582788), (10, 1791394), (11, 1628540), (20, 895697), (22, 814270), (44, 407135), (55, 325708), (107, 167420), (110, 162854), (214, 83710), (220, 81427), (428, 41855), (535, 33484), (761, 23540), (1070, 16742), (1177, 15220), (1522, 11770), (2140, 8371), (2354, 7610), (3044, 5885), (3805, 4708)]