19695320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7349}}^1$

素因数の和:7427

約数の個数: 32

約数和(自身を含む): 44982000

約数和(自身を除く): 25286680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7349, 14698, 29396, 36745, 58792, 73490, 146980, 293960, 492383, 984766, 1969532, 2461915, 3939064, 4923830, 9847660, 19695320]

約数ペア:

[(1, 19695320), (2, 9847660), (4, 4923830), (5, 3939064), (8, 2461915), (10, 1969532), (20, 984766), (40, 492383), (67, 293960), (134, 146980), (268, 73490), (335, 58792), (536, 36745), (670, 29396), (1340, 14698), (2680, 7349)]