19086640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 48434400

約数和(自身を除く): 29347760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 433, 464, 551, 580, 760, 866, 1102, 1160, 1520, 1732, 2165, 2204, 2320, 2755, 3464, 4330, 4408, 5510, 6928, 8227, 8660, 8816, 11020, 12557, 16454, 17320, 22040, 25114, 32908, 34640, 41135, 44080, 50228, 62785, 65816, 82270, 100456, 125570, 131632, 164540, 200912, 238583, 251140, 329080, 477166, 502280, 658160, 954332, 1004560, 1192915, 1908664, 2385830, 3817328, 4771660, 9543320, 19086640]

約数ペア:

[(1, 19086640), (2, 9543320), (4, 4771660), (5, 3817328), (8, 2385830), (10, 1908664), (16, 1192915), (19, 1004560), (20, 954332), (29, 658160), (38, 502280), (40, 477166), (58, 329080), (76, 251140), (80, 238583), (95, 200912), (116, 164540), (145, 131632), (152, 125570), (190, 100456), (232, 82270), (290, 65816), (304, 62785), (380, 50228), (433, 44080), (464, 41135), (551, 34640), (580, 32908), (760, 25114), (866, 22040), (1102, 17320), (1160, 16454), (1520, 12557), (1732, 11020), (2165, 8816), (2204, 8660), (2320, 8227), (2755, 6928), (3464, 5510), (4330, 4408)]