19916694

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5099}}^1$

素因数の和:5145

約数の個数: 48

約数和(自身を含む): 50918400

約数和(自身を除く): 31001706

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5099, 10198, 15297, 30594, 35693, 45891, 71386, 91782, 107079, 158069, 214158, 316138, 321237, 474207, 642474, 948414, 1106483, 1422621, 2212966, 2845242, 3319449, 6638898, 9958347, 19916694]

約数ペア:

[(1, 19916694), (2, 9958347), (3, 6638898), (6, 3319449), (7, 2845242), (9, 2212966), (14, 1422621), (18, 1106483), (21, 948414), (31, 642474), (42, 474207), (62, 321237), (63, 316138), (93, 214158), (126, 158069), (186, 107079), (217, 91782), (279, 71386), (434, 45891), (558, 35693), (651, 30594), (1302, 15297), (1953, 10198), (3906, 5099)]