19802310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2653

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 34318650

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 2609, 3795, 5218, 7590, 7827, 13045, 15654, 26090, 28699, 39135, 57398, 60007, 78270, 86097, 120014, 143495, 172194, 180021, 286990, 300035, 360042, 430485, 600070, 660077, 860970, 900105, 1320154, 1800210, 1980231, 3300385, 3960462, 6600770, 9901155, 19802310]

約数ペア:

[(1, 19802310), (2, 9901155), (3, 6600770), (5, 3960462), (6, 3300385), (10, 1980231), (11, 1800210), (15, 1320154), (22, 900105), (23, 860970), (30, 660077), (33, 600070), (46, 430485), (55, 360042), (66, 300035), (69, 286990), (110, 180021), (115, 172194), (138, 143495), (165, 120014), (230, 86097), (253, 78270), (330, 60007), (345, 57398), (506, 39135), (690, 28699), (759, 26090), (1265, 15654), (1518, 13045), (2530, 7827), (2609, 7590), (3795, 5218)]