15989930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2383}}^1$

素因数の和:2462

約数の個数: 32

約数和(自身を含む): 31926528

約数和(自身を除く): 15936598

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 2383, 3355, 4766, 6710, 11915, 23830, 26213, 52426, 131065, 145363, 262130, 290726, 726815, 1453630, 1598993, 3197986, 7994965, 15989930]

約数ペア:

[(1, 15989930), (2, 7994965), (5, 3197986), (10, 1598993), (11, 1453630), (22, 726815), (55, 290726), (61, 262130), (110, 145363), (122, 131065), (305, 52426), (610, 26213), (671, 23830), (1342, 11915), (2383, 6710), (3355, 4766)]