19684770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{1913}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 35438430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 1913, 2058, 3430, 3826, 5145, 5739, 9565, 10290, 11478, 13391, 19130, 26782, 28695, 40173, 57390, 66955, 80346, 93737, 133910, 187474, 200865, 281211, 401730, 468685, 562422, 656159, 937370, 1312318, 1406055, 1968477, 2812110, 3280795, 3936954, 6561590, 9842385, 19684770]

約数ペア:

[(1, 19684770), (2, 9842385), (3, 6561590), (5, 3936954), (6, 3280795), (7, 2812110), (10, 1968477), (14, 1406055), (15, 1312318), (21, 937370), (30, 656159), (35, 562422), (42, 468685), (49, 401730), (70, 281211), (98, 200865), (105, 187474), (147, 133910), (210, 93737), (245, 80346), (294, 66955), (343, 57390), (490, 40173), (686, 28695), (735, 26782), (1029, 19130), (1470, 13391), (1715, 11478), (1913, 10290), (2058, 9565), (3430, 5739), (3826, 5145)]