1821496976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{236681}}^1$

素因数の和:236739

約数の個数: 40

約数和(自身を含む): 3903359544

約数和(自身を除く): 2081862568

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 236681, 473362, 946724, 1893448, 3076853, 3786896, 6153706, 8757197, 12307412, 17514394, 24614824, 35028788, 49229648, 70057576, 113843561, 140115152, 227687122, 455374244, 910748488, 1821496976]

約数ペア:

[(1, 1821496976), (2, 910748488), (4, 455374244), (8, 227687122), (13, 140115152), (16, 113843561), (26, 70057576), (37, 49229648), (52, 35028788), (74, 24614824), (104, 17514394), (148, 12307412), (208, 8757197), (296, 6153706), (481, 3786896), (592, 3076853), (962, 1893448), (1924, 946724), (3848, 473362), (7696, 236681)]