18660278

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 35661024

約数和(自身を除く): 17000746

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 97, 98, 151, 182, 194, 302, 637, 679, 1057, 1261, 1274, 1358, 1963, 2114, 2522, 3926, 4753, 7399, 8827, 9506, 13741, 14647, 14798, 17654, 27482, 29294, 61789, 96187, 102529, 123578, 190411, 192374, 205058, 380822, 717703, 1332877, 1435406, 2665754, 9330139, 18660278]

約数ペア:

[(1, 18660278), (2, 9330139), (7, 2665754), (13, 1435406), (14, 1332877), (26, 717703), (49, 380822), (91, 205058), (97, 192374), (98, 190411), (151, 123578), (182, 102529), (194, 96187), (302, 61789), (637, 29294), (679, 27482), (1057, 17654), (1261, 14798), (1274, 14647), (1358, 13741), (1963, 9506), (2114, 8827), (2522, 7399), (3926, 4753)]