19636980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29753}}^1$

素因数の和:29776

約数の個数: 48

約数和(自身を含む): 59984064

約数和(自身を除く): 40347084

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 29753, 59506, 89259, 119012, 148765, 178518, 297530, 327283, 357036, 446295, 595060, 654566, 892590, 981849, 1309132, 1636415, 1785180, 1963698, 3272830, 3927396, 4909245, 6545660, 9818490, 19636980]

約数ペア:

[(1, 19636980), (2, 9818490), (3, 6545660), (4, 4909245), (5, 3927396), (6, 3272830), (10, 1963698), (11, 1785180), (12, 1636415), (15, 1309132), (20, 981849), (22, 892590), (30, 654566), (33, 595060), (44, 446295), (55, 357036), (60, 327283), (66, 297530), (110, 178518), (132, 148765), (165, 119012), (220, 89259), (330, 59506), (660, 29753)]