17980493782

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{3019}}^1$

素因数の和:3245

約数の個数: 48

約数和(自身を含む): 29119890960

約数和(自身を除く): 11139397178

約数列:

[1, 2, 19, 38, 73, 113, 146, 226, 361, 722, 1387, 2147, 2774, 3019, 4294, 6038, 8249, 16498, 26353, 40793, 52706, 57361, 81586, 114722, 156731, 220387, 313462, 341147, 440774, 682294, 1089859, 2179718, 2977889, 4187353, 5955778, 6481793, 8374706, 12963586, 24903731, 49807462, 79559707, 123154067, 159119414, 246308134, 473170889, 946341778, 8990246891, 17980493782]

約数ペア:

[(1, 17980493782), (2, 8990246891), (19, 946341778), (38, 473170889), (73, 246308134), (113, 159119414), (146, 123154067), (226, 79559707), (361, 49807462), (722, 24903731), (1387, 12963586), (2147, 8374706), (2774, 6481793), (3019, 5955778), (4294, 4187353), (6038, 2977889), (8249, 2179718), (16498, 1089859), (26353, 682294), (40793, 440774), (52706, 341147), (57361, 313462), (81586, 220387), (114722, 156731)]