2019863811

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 3267855360

約数和(自身を除く): 1247991549

約数列:

[1, 3, 7, 21, 41, 43, 89, 123, 129, 267, 287, 301, 613, 623, 861, 903, 1763, 1839, 1869, 3649, 3827, 4291, 5289, 10947, 11481, 12341, 12873, 25133, 25543, 26359, 26789, 37023, 54557, 75399, 76629, 79077, 80367, 156907, 163671, 175931, 184513, 381899, 470721, 527793, 553539, 1080719, 1098349, 1145697, 2236837, 2345951, 3242157, 3295047, 6710511, 7037853, 7565033, 15657859, 16421657, 22695099, 46973577, 49264971, 96183991, 288551973, 673287937, 2019863811]

約数ペア:

[(1, 2019863811), (3, 673287937), (7, 288551973), (21, 96183991), (41, 49264971), (43, 46973577), (89, 22695099), (123, 16421657), (129, 15657859), (267, 7565033), (287, 7037853), (301, 6710511), (613, 3295047), (623, 3242157), (861, 2345951), (903, 2236837), (1763, 1145697), (1839, 1098349), (1869, 1080719), (3649, 553539), (3827, 527793), (4291, 470721), (5289, 381899), (10947, 184513), (11481, 175931), (12341, 163671), (12873, 156907), (25133, 80367), (25543, 79077), (26359, 76629), (26789, 75399), (37023, 54557)]