19006780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 44057664

約数和(自身を除く): 25050884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1783, 2132, 2665, 3566, 5330, 7132, 8915, 10660, 17830, 23179, 35660, 46358, 73103, 92716, 115895, 146206, 231790, 292412, 365515, 463580, 731030, 950339, 1462060, 1900678, 3801356, 4751695, 9503390, 19006780]

約数ペア:

[(1, 19006780), (2, 9503390), (4, 4751695), (5, 3801356), (10, 1900678), (13, 1462060), (20, 950339), (26, 731030), (41, 463580), (52, 365515), (65, 292412), (82, 231790), (130, 146206), (164, 115895), (205, 92716), (260, 73103), (410, 46358), (533, 35660), (820, 23179), (1066, 17830), (1783, 10660), (2132, 8915), (2665, 7132), (3566, 5330)]