19772172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2579

約数の個数: 72

約数和(自身を含む): 58985472

約数和(自身を除く): 39213300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2531, 2604, 3906, 5062, 7593, 7812, 10124, 15186, 17717, 22779, 30372, 35434, 45558, 53151, 70868, 78461, 91116, 106302, 156922, 159453, 212604, 235383, 313844, 318906, 470766, 549227, 637812, 706149, 941532, 1098454, 1412298, 1647681, 2196908, 2824596, 3295362, 4943043, 6590724, 9886086, 19772172]

約数ペア:

[(1, 19772172), (2, 9886086), (3, 6590724), (4, 4943043), (6, 3295362), (7, 2824596), (9, 2196908), (12, 1647681), (14, 1412298), (18, 1098454), (21, 941532), (28, 706149), (31, 637812), (36, 549227), (42, 470766), (62, 318906), (63, 313844), (84, 235383), (93, 212604), (124, 159453), (126, 156922), (186, 106302), (217, 91116), (252, 78461), (279, 70868), (372, 53151), (434, 45558), (558, 35434), (651, 30372), (868, 22779), (1116, 17717), (1302, 15186), (1953, 10124), (2531, 7812), (2604, 7593), (3906, 5062)]