19814166

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 46402560

約数和(自身を除く): 26588394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 47, 54, 74, 94, 111, 141, 211, 222, 282, 333, 422, 423, 633, 666, 846, 999, 1266, 1269, 1739, 1899, 1998, 2538, 3478, 3798, 5217, 5697, 7807, 9917, 10434, 11394, 15614, 15651, 19834, 23421, 29751, 31302, 46842, 46953, 59502, 70263, 89253, 93906, 140526, 178506, 210789, 267759, 366929, 421578, 535518, 733858, 1100787, 2201574, 3302361, 6604722, 9907083, 19814166]

約数ペア:

[(1, 19814166), (2, 9907083), (3, 6604722), (6, 3302361), (9, 2201574), (18, 1100787), (27, 733858), (37, 535518), (47, 421578), (54, 366929), (74, 267759), (94, 210789), (111, 178506), (141, 140526), (211, 93906), (222, 89253), (282, 70263), (333, 59502), (422, 46953), (423, 46842), (633, 31302), (666, 29751), (846, 23421), (999, 19834), (1266, 15651), (1269, 15614), (1739, 11394), (1899, 10434), (1998, 9917), (2538, 7807), (3478, 5697), (3798, 5217)]