19974796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 37267776

約数和(自身を除く): 17292980

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 1871, 2669, 3742, 5338, 7484, 10676, 31807, 63614, 127228, 293747, 587494, 1174988, 4993699, 9987398, 19974796]

約数ペア:

[(1, 19974796), (2, 9987398), (4, 4993699), (17, 1174988), (34, 587494), (68, 293747), (157, 127228), (314, 63614), (628, 31807), (1871, 10676), (2669, 7484), (3742, 5338)]