18197790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 48686400

約数和(自身を除く): 30488610

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1609, 1885, 2262, 3218, 3770, 4827, 5655, 8045, 9654, 11310, 16090, 20917, 24135, 41834, 46661, 48270, 62751, 93322, 104585, 125502, 139983, 209170, 233305, 279966, 313755, 466610, 606593, 627510, 699915, 1213186, 1399830, 1819779, 3032965, 3639558, 6065930, 9098895, 18197790]

約数ペア:

[(1, 18197790), (2, 9098895), (3, 6065930), (5, 3639558), (6, 3032965), (10, 1819779), (13, 1399830), (15, 1213186), (26, 699915), (29, 627510), (30, 606593), (39, 466610), (58, 313755), (65, 279966), (78, 233305), (87, 209170), (130, 139983), (145, 125502), (174, 104585), (195, 93322), (290, 62751), (377, 48270), (390, 46661), (435, 41834), (754, 24135), (870, 20917), (1131, 16090), (1609, 11310), (1885, 9654), (2262, 8045), (3218, 5655), (3770, 4827)]