19178900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14753}}^1$

素因数の和:14780

約数の個数: 36

約数和(自身を含む): 44822652

約数和(自身を除く): 25643752

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14753, 29506, 59012, 73765, 147530, 191789, 295060, 368825, 383578, 737650, 767156, 958945, 1475300, 1917890, 3835780, 4794725, 9589450, 19178900]

約数ペア:

[(1, 19178900), (2, 9589450), (4, 4794725), (5, 3835780), (10, 1917890), (13, 1475300), (20, 958945), (25, 767156), (26, 737650), (50, 383578), (52, 368825), (65, 295060), (100, 191789), (130, 147530), (260, 73765), (325, 59012), (650, 29506), (1300, 14753)]