19494920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28669}}^1$

素因数の和:28697

約数の個数: 32

約数和(自身を含む): 46445400

約数和(自身を除く): 26950480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28669, 57338, 114676, 143345, 229352, 286690, 487373, 573380, 974746, 1146760, 1949492, 2436865, 3898984, 4873730, 9747460, 19494920]

約数ペア:

[(1, 19494920), (2, 9747460), (4, 4873730), (5, 3898984), (8, 2436865), (10, 1949492), (17, 1146760), (20, 974746), (34, 573380), (40, 487373), (68, 286690), (85, 229352), (136, 143345), (170, 114676), (340, 57338), (680, 28669)]