19718650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1063}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 23028614

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 175, 265, 350, 371, 530, 742, 1063, 1325, 1855, 2126, 2650, 3710, 5315, 7441, 9275, 10630, 14882, 18550, 26575, 37205, 53150, 56339, 74410, 112678, 186025, 281695, 372050, 394373, 563390, 788746, 1408475, 1971865, 2816950, 3943730, 9859325, 19718650]

約数ペア:

[(1, 19718650), (2, 9859325), (5, 3943730), (7, 2816950), (10, 1971865), (14, 1408475), (25, 788746), (35, 563390), (50, 394373), (53, 372050), (70, 281695), (106, 186025), (175, 112678), (265, 74410), (350, 56339), (371, 53150), (530, 37205), (742, 26575), (1063, 18550), (1325, 14882), (1855, 10630), (2126, 9275), (2650, 7441), (3710, 5315)]