19366893

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 36998208

約数和(自身を除く): 17631315

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 107, 117, 119, 153, 169, 221, 273, 321, 357, 507, 663, 749, 819, 963, 1071, 1183, 1391, 1521, 1547, 1819, 1989, 2247, 2873, 3549, 4173, 4641, 5457, 6741, 8619, 9737, 10647, 12519, 12733, 13923, 16371, 18083, 20111, 23647, 25857, 29211, 38199, 54249, 60333, 70941, 87633, 114597, 126581, 162747, 165529, 180999, 212823, 307411, 379743, 496587, 922233, 1139229, 1489761, 2151877, 2766699, 6455631, 19366893]

約数ペア:

[(1, 19366893), (3, 6455631), (7, 2766699), (9, 2151877), (13, 1489761), (17, 1139229), (21, 922233), (39, 496587), (51, 379743), (63, 307411), (91, 212823), (107, 180999), (117, 165529), (119, 162747), (153, 126581), (169, 114597), (221, 87633), (273, 70941), (321, 60333), (357, 54249), (507, 38199), (663, 29211), (749, 25857), (819, 23647), (963, 20111), (1071, 18083), (1183, 16371), (1391, 13923), (1521, 12733), (1547, 12519), (1819, 10647), (1989, 9737), (2247, 8619), (2873, 6741), (3549, 5457), (4173, 4641)]