19942818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 48829440

約数和(自身を除く): 28886622

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 67, 114, 133, 134, 201, 266, 373, 399, 402, 469, 746, 798, 938, 1119, 1273, 1407, 2238, 2546, 2611, 2814, 3819, 5222, 7087, 7638, 7833, 8911, 14174, 15666, 17822, 21261, 24991, 26733, 42522, 49609, 49982, 53466, 74973, 99218, 148827, 149946, 174937, 297654, 349874, 474829, 524811, 949658, 1049622, 1424487, 2848974, 3323803, 6647606, 9971409, 19942818]

約数ペア:

[(1, 19942818), (2, 9971409), (3, 6647606), (6, 3323803), (7, 2848974), (14, 1424487), (19, 1049622), (21, 949658), (38, 524811), (42, 474829), (57, 349874), (67, 297654), (114, 174937), (133, 149946), (134, 148827), (201, 99218), (266, 74973), (373, 53466), (399, 49982), (402, 49609), (469, 42522), (746, 26733), (798, 24991), (938, 21261), (1119, 17822), (1273, 15666), (1407, 14174), (2238, 8911), (2546, 7833), (2611, 7638), (2814, 7087), (3819, 5222)]