18893910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{12853}}^1$

素因数の和:12877

約数の個数: 48

約数和(自身を含む): 52752816

約数和(自身を除く): 33858906

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 12853, 25706, 38559, 64265, 77118, 89971, 128530, 179942, 192795, 269913, 385590, 449855, 539826, 629797, 899710, 1259594, 1349565, 1889391, 2699130, 3148985, 3778782, 6297970, 9446955, 18893910]

約数ペア:

[(1, 18893910), (2, 9446955), (3, 6297970), (5, 3778782), (6, 3148985), (7, 2699130), (10, 1889391), (14, 1349565), (15, 1259594), (21, 899710), (30, 629797), (35, 539826), (42, 449855), (49, 385590), (70, 269913), (98, 192795), (105, 179942), (147, 128530), (210, 89971), (245, 77118), (294, 64265), (490, 38559), (735, 25706), (1470, 12853)]