19361840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5903}}^1$

素因数の和:5957

約数の個数: 40

約数和(自身を含む): 46122048

約数和(自身を除く): 26760208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5903, 11806, 23612, 29515, 47224, 59030, 94448, 118060, 236120, 242023, 472240, 484046, 968092, 1210115, 1936184, 2420230, 3872368, 4840460, 9680920, 19361840]

約数ペア:

[(1, 19361840), (2, 9680920), (4, 4840460), (5, 3872368), (8, 2420230), (10, 1936184), (16, 1210115), (20, 968092), (40, 484046), (41, 472240), (80, 242023), (82, 236120), (164, 118060), (205, 94448), (328, 59030), (410, 47224), (656, 29515), (820, 23612), (1640, 11806), (3280, 5903)]