19378028

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{16763}}^1$

素因数の和:16801

約数の個数: 18

約数和(自身を含む): 36025836

約数和(自身を除く): 16647808

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 16763, 33526, 67052, 284971, 569942, 1139884, 4844507, 9689014, 19378028]

約数ペア:

[(1, 19378028), (2, 9689014), (4, 4844507), (17, 1139884), (34, 569942), (68, 284971), (289, 67052), (578, 33526), (1156, 16763)]