19491036388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{523}}^1\times {\mathrm{557}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 35122127040

約数和(自身を除く): 15631090652

約数列:

[1, 2, 4, 43, 86, 172, 389, 523, 557, 778, 1046, 1114, 1556, 2092, 2228, 16727, 22489, 23951, 33454, 44978, 47902, 66908, 89956, 95804, 203447, 216673, 291311, 406894, 433346, 582622, 813788, 866692, 1165244, 8748221, 9316939, 12526373, 17496442, 18633878, 25052746, 34992884, 37267756, 50105492, 113319979, 226639958, 453279916, 4872759097, 9745518194, 19491036388]

約数ペア:

[(1, 19491036388), (2, 9745518194), (4, 4872759097), (43, 453279916), (86, 226639958), (172, 113319979), (389, 50105492), (523, 37267756), (557, 34992884), (778, 25052746), (1046, 18633878), (1114, 17496442), (1556, 12526373), (2092, 9316939), (2228, 8748221), (16727, 1165244), (22489, 866692), (23951, 813788), (33454, 582622), (44978, 433346), (47902, 406894), (66908, 291311), (89956, 216673), (95804, 203447)]