19863030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2617}}^1$

素因数の和:2661

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 34423818

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, 2617, 3795, 5234, 7590, 7851, 13085, 15702, 26170, 28787, 39255, 57574, 60191, 78510, 86361, 120382, 143935, 172722, 180573, 287870, 300955, 361146, 431805, 601910, 662101, 863610, 902865, 1324202, 1805730, 1986303, 3310505, 3972606, 6621010, 9931515, 19863030]

約数ペア:

[(1, 19863030), (2, 9931515), (3, 6621010), (5, 3972606), (6, 3310505), (10, 1986303), (11, 1805730), (15, 1324202), (22, 902865), (23, 863610), (30, 662101), (33, 601910), (46, 431805), (55, 361146), (66, 300955), (69, 287870), (110, 180573), (115, 172722), (138, 143935), (165, 120382), (230, 86361), (253, 78510), (330, 60191), (345, 57574), (506, 39255), (690, 28787), (759, 26170), (1265, 15702), (1518, 13085), (2530, 7851), (2617, 7590), (3795, 5234)]