18970946

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12962494

約数列:

[1, 2, 17, 31, 34, 41, 62, 82, 439, 527, 697, 878, 1054, 1271, 1394, 2542, 7463, 13609, 14926, 17999, 21607, 27218, 35998, 43214, 231353, 305983, 462706, 557969, 611966, 1115938, 9485473, 18970946]

約数ペア:

[(1, 18970946), (2, 9485473), (17, 1115938), (31, 611966), (34, 557969), (41, 462706), (62, 305983), (82, 231353), (439, 43214), (527, 35998), (697, 27218), (878, 21607), (1054, 17999), (1271, 14926), (1394, 13609), (2542, 7463)]