2019741390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521897}}^1$

素因数の和:521953

約数の個数: 48

約数和(自身を含む): 5373461808

約数和(自身を除く): 3353720418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 521897, 1043794, 1565691, 2609485, 3131382, 4697073, 5218970, 7828455, 9394146, 15656910, 22441571, 23485365, 44883142, 46970730, 67324713, 112207855, 134649426, 201974139, 224415710, 336623565, 403948278, 673247130, 1009870695, 2019741390]

約数ペア:

[(1, 2019741390), (2, 1009870695), (3, 673247130), (5, 403948278), (6, 336623565), (9, 224415710), (10, 201974139), (15, 134649426), (18, 112207855), (30, 67324713), (43, 46970730), (45, 44883142), (86, 23485365), (90, 22441571), (129, 15656910), (215, 9394146), (258, 7828455), (387, 5218970), (430, 4697073), (645, 3131382), (774, 2609485), (1290, 1565691), (1935, 1043794), (3870, 521897)]