19519020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108439}}^1$

素因数の和:108454

約数の個数: 36

約数和(自身を含む): 59208240

約数和(自身を除く): 39689220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108439, 216878, 325317, 433756, 542195, 650634, 975951, 1084390, 1301268, 1626585, 1951902, 2168780, 3253170, 3903804, 4879755, 6506340, 9759510, 19519020]

約数ペア:

[(1, 19519020), (2, 9759510), (3, 6506340), (4, 4879755), (5, 3903804), (6, 3253170), (9, 2168780), (10, 1951902), (12, 1626585), (15, 1301268), (18, 1084390), (20, 975951), (30, 650634), (36, 542195), (45, 433756), (60, 325317), (90, 216878), (180, 108439)]