19832865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 17180895

約数列:

[1, 3, 5, 13, 15, 19, 39, 53, 57, 65, 95, 101, 159, 195, 247, 265, 285, 303, 505, 689, 741, 795, 1007, 1235, 1313, 1515, 1919, 2067, 3021, 3445, 3705, 3939, 5035, 5353, 5757, 6565, 9595, 10335, 13091, 15105, 16059, 19695, 24947, 26765, 28785, 39273, 65455, 69589, 74841, 80295, 101707, 124735, 196365, 208767, 305121, 347945, 374205, 508535, 1043835, 1322191, 1525605, 3966573, 6610955, 19832865]

約数ペア:

[(1, 19832865), (3, 6610955), (5, 3966573), (13, 1525605), (15, 1322191), (19, 1043835), (39, 508535), (53, 374205), (57, 347945), (65, 305121), (95, 208767), (101, 196365), (159, 124735), (195, 101707), (247, 80295), (265, 74841), (285, 69589), (303, 65455), (505, 39273), (689, 28785), (741, 26765), (795, 24947), (1007, 19695), (1235, 16059), (1313, 15105), (1515, 13091), (1919, 10335), (2067, 9595), (3021, 6565), (3445, 5757), (3705, 5353), (3939, 5035)]