19869668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:86

約数の個数: 96

約数和(自身を含む): 47980800

約数和(自身を除く): 28111132

約数列:

[1, 2, 4, 7, 13, 14, 17, 19, 26, 28, 34, 38, 52, 68, 76, 91, 119, 133, 169, 182, 221, 238, 247, 266, 323, 338, 364, 442, 476, 494, 532, 646, 676, 884, 988, 1183, 1292, 1547, 1729, 2197, 2261, 2366, 2873, 3094, 3211, 3458, 4199, 4394, 4522, 4732, 5746, 6188, 6422, 6916, 8398, 8788, 9044, 11492, 12844, 15379, 16796, 20111, 22477, 29393, 30758, 37349, 40222, 41743, 44954, 54587, 58786, 61516, 74698, 80444, 83486, 89908, 109174, 117572, 149396, 166972, 218348, 261443, 292201, 382109, 522886, 584402, 709631, 764218, 1045772, 1168804, 1419262, 1528436, 2838524, 4967417, 9934834, 19869668]

約数ペア:

[(1, 19869668), (2, 9934834), (4, 4967417), (7, 2838524), (13, 1528436), (14, 1419262), (17, 1168804), (19, 1045772), (26, 764218), (28, 709631), (34, 584402), (38, 522886), (52, 382109), (68, 292201), (76, 261443), (91, 218348), (119, 166972), (133, 149396), (169, 117572), (182, 109174), (221, 89908), (238, 83486), (247, 80444), (266, 74698), (323, 61516), (338, 58786), (364, 54587), (442, 44954), (476, 41743), (494, 40222), (532, 37349), (646, 30758), (676, 29393), (884, 22477), (988, 20111), (1183, 16796), (1292, 15379), (1547, 12844), (1729, 11492), (2197, 9044), (2261, 8788), (2366, 8398), (2873, 6916), (3094, 6422), (3211, 6188), (3458, 5746), (4199, 4732), (4394, 4522)]