19404915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13772685

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 1439, 2697, 4317, 4495, 7195, 13485, 21585, 41731, 44609, 125193, 133827, 208655, 223045, 625965, 669135, 1293661, 3880983, 6468305, 19404915]

約数ペア:

[(1, 19404915), (3, 6468305), (5, 3880983), (15, 1293661), (29, 669135), (31, 625965), (87, 223045), (93, 208655), (145, 133827), (155, 125193), (435, 44609), (465, 41731), (899, 21585), (1439, 13485), (2697, 7195), (4317, 4495)]