19657476

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 54163200

約数和(自身を除く): 34505724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 991, 1044, 1102, 1653, 1982, 2204, 2973, 3306, 3964, 4959, 5946, 6612, 8919, 9918, 11892, 17838, 18829, 19836, 28739, 35676, 37658, 56487, 57478, 75316, 86217, 112974, 114956, 169461, 172434, 225948, 258651, 338922, 344868, 517302, 546041, 677844, 1034604, 1092082, 1638123, 2184164, 3276246, 4914369, 6552492, 9828738, 19657476]

約数ペア:

[(1, 19657476), (2, 9828738), (3, 6552492), (4, 4914369), (6, 3276246), (9, 2184164), (12, 1638123), (18, 1092082), (19, 1034604), (29, 677844), (36, 546041), (38, 517302), (57, 344868), (58, 338922), (76, 258651), (87, 225948), (114, 172434), (116, 169461), (171, 114956), (174, 112974), (228, 86217), (261, 75316), (342, 57478), (348, 56487), (522, 37658), (551, 35676), (684, 28739), (991, 19836), (1044, 18829), (1102, 17838), (1653, 11892), (1982, 9918), (2204, 8919), (2973, 6612), (3306, 5946), (3964, 4959)]