19567820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 43615488

約数和(自身を除く): 24047668

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 853, 1147, 1706, 2294, 3412, 4265, 4588, 5735, 8530, 11470, 17060, 22940, 26443, 31561, 52886, 63122, 105772, 126244, 132215, 157805, 264430, 315610, 528860, 631220, 978391, 1956782, 3913564, 4891955, 9783910, 19567820]

約数ペア:

[(1, 19567820), (2, 9783910), (4, 4891955), (5, 3913564), (10, 1956782), (20, 978391), (31, 631220), (37, 528860), (62, 315610), (74, 264430), (124, 157805), (148, 132215), (155, 126244), (185, 105772), (310, 63122), (370, 52886), (620, 31561), (740, 26443), (853, 22940), (1147, 17060), (1706, 11470), (2294, 8530), (3412, 5735), (4265, 4588)]