19746860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8297}}^1$

素因数の和:8330

約数の個数: 48

約数和(自身を含む): 50186304

約数和(自身を除く): 30439444

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8297, 16594, 33188, 41485, 58079, 82970, 116158, 141049, 165940, 232316, 282098, 290395, 564196, 580790, 705245, 987343, 1161580, 1410490, 1974686, 2820980, 3949372, 4936715, 9873430, 19746860]

約数ペア:

[(1, 19746860), (2, 9873430), (4, 4936715), (5, 3949372), (7, 2820980), (10, 1974686), (14, 1410490), (17, 1161580), (20, 987343), (28, 705245), (34, 580790), (35, 564196), (68, 290395), (70, 282098), (85, 232316), (119, 165940), (140, 141049), (170, 116158), (238, 82970), (340, 58079), (476, 41485), (595, 33188), (1190, 16594), (2380, 8297)]