19642980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46769}}^1$

素因数の和:46788

約数の個数: 48

約数和(自身を含む): 62858880

約数和(自身を除く): 43215900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46769, 93538, 140307, 187076, 233845, 280614, 327383, 467690, 561228, 654766, 701535, 935380, 982149, 1309532, 1403070, 1636915, 1964298, 2806140, 3273830, 3928596, 4910745, 6547660, 9821490, 19642980]

約数ペア:

[(1, 19642980), (2, 9821490), (3, 6547660), (4, 4910745), (5, 3928596), (6, 3273830), (7, 2806140), (10, 1964298), (12, 1636915), (14, 1403070), (15, 1309532), (20, 982149), (21, 935380), (28, 701535), (30, 654766), (35, 561228), (42, 467690), (60, 327383), (70, 280614), (84, 233845), (105, 187076), (140, 140307), (210, 93538), (420, 46769)]