16880274

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 38034360

約数和(自身を除く): 21154086

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 89, 123, 178, 246, 257, 267, 369, 514, 534, 738, 771, 801, 1542, 1602, 2313, 3649, 4626, 7298, 10537, 10947, 21074, 21894, 22873, 31611, 32841, 45746, 63222, 65682, 68619, 94833, 137238, 189666, 205857, 411714, 937793, 1875586, 2813379, 5626758, 8440137, 16880274]

約数ペア:

[(1, 16880274), (2, 8440137), (3, 5626758), (6, 2813379), (9, 1875586), (18, 937793), (41, 411714), (82, 205857), (89, 189666), (123, 137238), (178, 94833), (246, 68619), (257, 65682), (267, 63222), (369, 45746), (514, 32841), (534, 31611), (738, 22873), (771, 21894), (801, 21074), (1542, 10947), (1602, 10537), (2313, 7298), (3649, 4626)]