19488435

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 13274445

約数列:

[1, 3, 5, 15, 29, 71, 87, 145, 213, 355, 435, 631, 1065, 1893, 2059, 3155, 6177, 9465, 10295, 18299, 30885, 44801, 54897, 91495, 134403, 224005, 274485, 672015, 1299229, 3897687, 6496145, 19488435]

約数ペア:

[(1, 19488435), (3, 6496145), (5, 3897687), (15, 1299229), (29, 672015), (71, 274485), (87, 224005), (145, 134403), (213, 91495), (355, 54897), (435, 44801), (631, 30885), (1065, 18299), (1893, 10295), (2059, 9465), (3155, 6177)]