19472440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37447}}^1$

素因数の和:37471

約数の個数: 32

約数和(自身を含む): 47184480

約数和(自身を除く): 27712040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37447, 74894, 149788, 187235, 299576, 374470, 486811, 748940, 973622, 1497880, 1947244, 2434055, 3894488, 4868110, 9736220, 19472440]

約数ペア:

[(1, 19472440), (2, 9736220), (4, 4868110), (5, 3894488), (8, 2434055), (10, 1947244), (13, 1497880), (20, 973622), (26, 748940), (40, 486811), (52, 374470), (65, 299576), (104, 187235), (130, 149788), (260, 74894), (520, 37447)]