19637520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11689}}^1$

素因数の和:11712

約数の個数: 80

約数和(自身を含む): 69578880

約数和(自身を除く): 49941360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11689, 23378, 35067, 46756, 58445, 70134, 81823, 93512, 116890, 140268, 163646, 175335, 187024, 233780, 245469, 280536, 327292, 350670, 409115, 467560, 490938, 561072, 654584, 701340, 818230, 935120, 981876, 1227345, 1309168, 1402680, 1636460, 1963752, 2454690, 2805360, 3272920, 3927504, 4909380, 6545840, 9818760, 19637520]

約数ペア:

[(1, 19637520), (2, 9818760), (3, 6545840), (4, 4909380), (5, 3927504), (6, 3272920), (7, 2805360), (8, 2454690), (10, 1963752), (12, 1636460), (14, 1402680), (15, 1309168), (16, 1227345), (20, 981876), (21, 935120), (24, 818230), (28, 701340), (30, 654584), (35, 561072), (40, 490938), (42, 467560), (48, 409115), (56, 350670), (60, 327292), (70, 280536), (80, 245469), (84, 233780), (105, 187024), (112, 175335), (120, 163646), (140, 140268), (168, 116890), (210, 93512), (240, 81823), (280, 70134), (336, 58445), (420, 46756), (560, 35067), (840, 23378), (1680, 11689)]