19576480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 58949856

約数和(自身を除く): 39373376

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 227, 245, 280, 308, 352, 385, 392, 440, 454, 490, 539, 560, 616, 770, 784, 880, 908, 980, 1078, 1120, 1135, 1232, 1540, 1568, 1589, 1760, 1816, 1960, 2156, 2270, 2464, 2497, 2695, 3080, 3178, 3632, 3920, 4312, 4540, 4994, 5390, 6160, 6356, 7264, 7840, 7945, 8624, 9080, 9988, 10780, 11123, 12320, 12485, 12712, 15890, 17248, 17479, 18160, 19976, 21560, 22246, 24970, 25424, 31780, 34958, 36320, 39952, 43120, 44492, 49940, 50848, 55615, 63560, 69916, 79904, 86240, 87395, 88984, 99880, 111230, 122353, 127120, 139832, 174790, 177968, 199760, 222460, 244706, 254240, 279664, 349580, 355936, 399520, 444920, 489412, 559328, 611765, 699160, 889840, 978824, 1223530, 1398320, 1779680, 1957648, 2447060, 2796640, 3915296, 4894120, 9788240, 19576480]

約数ペア:

[(1, 19576480), (2, 9788240), (4, 4894120), (5, 3915296), (7, 2796640), (8, 2447060), (10, 1957648), (11, 1779680), (14, 1398320), (16, 1223530), (20, 978824), (22, 889840), (28, 699160), (32, 611765), (35, 559328), (40, 489412), (44, 444920), (49, 399520), (55, 355936), (56, 349580), (70, 279664), (77, 254240), (80, 244706), (88, 222460), (98, 199760), (110, 177968), (112, 174790), (140, 139832), (154, 127120), (160, 122353), (176, 111230), (196, 99880), (220, 88984), (224, 87395), (227, 86240), (245, 79904), (280, 69916), (308, 63560), (352, 55615), (385, 50848), (392, 49940), (440, 44492), (454, 43120), (490, 39952), (539, 36320), (560, 34958), (616, 31780), (770, 25424), (784, 24970), (880, 22246), (908, 21560), (980, 19976), (1078, 18160), (1120, 17479), (1135, 17248), (1232, 15890), (1540, 12712), (1568, 12485), (1589, 12320), (1760, 11123), (1816, 10780), (1960, 9988), (2156, 9080), (2270, 8624), (2464, 7945), (2497, 7840), (2695, 7264), (3080, 6356), (3178, 6160), (3632, 5390), (3920, 4994), (4312, 4540)]