19319560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 47764080

約数和(自身を除く): 28444520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 701, 1060, 1378, 1402, 2120, 2756, 2804, 3445, 3505, 5512, 5608, 6890, 7010, 9113, 13780, 14020, 18226, 27560, 28040, 36452, 37153, 45565, 72904, 74306, 91130, 148612, 182260, 185765, 297224, 364520, 371530, 482989, 743060, 965978, 1486120, 1931956, 2414945, 3863912, 4829890, 9659780, 19319560]

約数ペア:

[(1, 19319560), (2, 9659780), (4, 4829890), (5, 3863912), (8, 2414945), (10, 1931956), (13, 1486120), (20, 965978), (26, 743060), (40, 482989), (52, 371530), (53, 364520), (65, 297224), (104, 185765), (106, 182260), (130, 148612), (212, 91130), (260, 74306), (265, 72904), (424, 45565), (520, 37153), (530, 36452), (689, 28040), (701, 27560), (1060, 18226), (1378, 14020), (1402, 13780), (2120, 9113), (2756, 7010), (2804, 6890), (3445, 5608), (3505, 5512)]