19031870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13309}}^1$

素因数の和:13340

約数の個数: 32

約数和(自身を含む): 40249440

約数和(自身を除く): 21217570

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13309, 26618, 66545, 133090, 146399, 173017, 292798, 346034, 731995, 865085, 1463990, 1730170, 1903187, 3806374, 9515935, 19031870]

約数ペア:

[(1, 19031870), (2, 9515935), (5, 3806374), (10, 1903187), (11, 1730170), (13, 1463990), (22, 865085), (26, 731995), (55, 346034), (65, 292798), (110, 173017), (130, 146399), (143, 133090), (286, 66545), (715, 26618), (1430, 13309)]