19667394

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 47664000

約数和(自身を除く): 27996606

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 29, 38, 54, 57, 58, 87, 114, 171, 174, 261, 342, 513, 522, 551, 661, 783, 1026, 1102, 1322, 1566, 1653, 1983, 3306, 3966, 4959, 5949, 9918, 11898, 12559, 14877, 17847, 19169, 25118, 29754, 35694, 37677, 38338, 57507, 75354, 113031, 115014, 172521, 226062, 339093, 345042, 364211, 517563, 678186, 728422, 1035126, 1092633, 2185266, 3277899, 6555798, 9833697, 19667394]

約数ペア:

[(1, 19667394), (2, 9833697), (3, 6555798), (6, 3277899), (9, 2185266), (18, 1092633), (19, 1035126), (27, 728422), (29, 678186), (38, 517563), (54, 364211), (57, 345042), (58, 339093), (87, 226062), (114, 172521), (171, 115014), (174, 113031), (261, 75354), (342, 57507), (513, 38338), (522, 37677), (551, 35694), (661, 29754), (783, 25118), (1026, 19169), (1102, 17847), (1322, 14877), (1566, 12559), (1653, 11898), (1983, 9918), (3306, 5949), (3966, 4959)]