19357520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2659}}^1$

素因数の和:2692

約数の個数: 80

約数和(自身を含む): 55413120

約数和(自身を除く): 36055600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2659, 3640, 5318, 7280, 10636, 13295, 18613, 21272, 26590, 34567, 37226, 42544, 53180, 69134, 74452, 93065, 106360, 138268, 148904, 172835, 186130, 212720, 241969, 276536, 297808, 345670, 372260, 483938, 553072, 691340, 744520, 967876, 1209845, 1382680, 1489040, 1935752, 2419690, 2765360, 3871504, 4839380, 9678760, 19357520]

約数ペア:

[(1, 19357520), (2, 9678760), (4, 4839380), (5, 3871504), (7, 2765360), (8, 2419690), (10, 1935752), (13, 1489040), (14, 1382680), (16, 1209845), (20, 967876), (26, 744520), (28, 691340), (35, 553072), (40, 483938), (52, 372260), (56, 345670), (65, 297808), (70, 276536), (80, 241969), (91, 212720), (104, 186130), (112, 172835), (130, 148904), (140, 138268), (182, 106360), (208, 93065), (260, 74452), (280, 69134), (364, 53180), (455, 42544), (520, 37226), (560, 34567), (728, 26590), (910, 21272), (1040, 18613), (1456, 13295), (1820, 10636), (2659, 7280), (3640, 5318)]