19718712

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21067}}^1$

素因数の和:21092

約数の個数: 48

約数和(自身を含む): 57515640

約数和(自身を除く): 37796928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21067, 42134, 63201, 84268, 126402, 168536, 189603, 252804, 273871, 379206, 505608, 547742, 758412, 821613, 1095484, 1516824, 1643226, 2190968, 2464839, 3286452, 4929678, 6572904, 9859356, 19718712]

約数ペア:

[(1, 19718712), (2, 9859356), (3, 6572904), (4, 4929678), (6, 3286452), (8, 2464839), (9, 2190968), (12, 1643226), (13, 1516824), (18, 1095484), (24, 821613), (26, 758412), (36, 547742), (39, 505608), (52, 379206), (72, 273871), (78, 252804), (104, 189603), (117, 168536), (156, 126402), (234, 84268), (312, 63201), (468, 42134), (936, 21067)]