19835260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 44470944

約数和(自身を除く): 24635684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 227, 257, 340, 454, 514, 908, 1028, 1135, 1285, 2270, 2570, 3859, 4369, 4540, 5140, 7718, 8738, 15436, 17476, 19295, 21845, 38590, 43690, 58339, 77180, 87380, 116678, 233356, 291695, 583390, 991763, 1166780, 1983526, 3967052, 4958815, 9917630, 19835260]

約数ペア:

[(1, 19835260), (2, 9917630), (4, 4958815), (5, 3967052), (10, 1983526), (17, 1166780), (20, 991763), (34, 583390), (68, 291695), (85, 233356), (170, 116678), (227, 87380), (257, 77180), (340, 58339), (454, 43690), (514, 38590), (908, 21845), (1028, 19295), (1135, 17476), (1285, 15436), (2270, 8738), (2570, 7718), (3859, 5140), (4369, 4540)]