1900808

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 4476780

約数和(自身を除く): 2575972

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 373, 392, 637, 728, 746, 1274, 1492, 2548, 2611, 2984, 4849, 5096, 5222, 9698, 10444, 18277, 19396, 20888, 33943, 36554, 38792, 67886, 73108, 135772, 146216, 237601, 271544, 475202, 950404, 1900808]

約数ペア:

[(1, 1900808), (2, 950404), (4, 475202), (7, 271544), (8, 237601), (13, 146216), (14, 135772), (26, 73108), (28, 67886), (49, 38792), (52, 36554), (56, 33943), (91, 20888), (98, 19396), (104, 18277), (182, 10444), (196, 9698), (364, 5222), (373, 5096), (392, 4849), (637, 2984), (728, 2611), (746, 2548), (1274, 1492)]