19010718

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 24232482

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 79, 87, 158, 174, 237, 261, 461, 474, 522, 711, 922, 1383, 1422, 2291, 2766, 4149, 4582, 6873, 8298, 13369, 13746, 20619, 26738, 36419, 40107, 41238, 72838, 80214, 109257, 120321, 218514, 240642, 327771, 655542, 1056151, 2112302, 3168453, 6336906, 9505359, 19010718]

約数ペア:

[(1, 19010718), (2, 9505359), (3, 6336906), (6, 3168453), (9, 2112302), (18, 1056151), (29, 655542), (58, 327771), (79, 240642), (87, 218514), (158, 120321), (174, 109257), (237, 80214), (261, 72838), (461, 41238), (474, 40107), (522, 36419), (711, 26738), (922, 20619), (1383, 13746), (1422, 13369), (2291, 8298), (2766, 6873), (4149, 4582)]