19776492

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 54490800

約数和(自身を除く): 34714308

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, 997, 1044, 1102, 1653, 1994, 2204, 2991, 3306, 3988, 4959, 5982, 6612, 8973, 9918, 11964, 17946, 18943, 19836, 28913, 35892, 37886, 56829, 57826, 75772, 86739, 113658, 115652, 170487, 173478, 227316, 260217, 340974, 346956, 520434, 549347, 681948, 1040868, 1098694, 1648041, 2197388, 3296082, 4944123, 6592164, 9888246, 19776492]

約数ペア:

[(1, 19776492), (2, 9888246), (3, 6592164), (4, 4944123), (6, 3296082), (9, 2197388), (12, 1648041), (18, 1098694), (19, 1040868), (29, 681948), (36, 549347), (38, 520434), (57, 346956), (58, 340974), (76, 260217), (87, 227316), (114, 173478), (116, 170487), (171, 115652), (174, 113658), (228, 86739), (261, 75772), (342, 57826), (348, 56829), (522, 37886), (551, 35892), (684, 28913), (997, 19836), (1044, 18943), (1102, 17946), (1653, 11964), (1994, 9918), (2204, 8973), (2991, 6612), (3306, 5982), (3988, 4959)]