19738782

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 50841600

約数和(自身を除く): 31102818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 126, 158, 189, 237, 378, 474, 553, 661, 711, 1106, 1322, 1422, 1659, 1983, 2133, 3318, 3966, 4266, 4627, 4977, 5949, 9254, 9954, 11898, 13881, 14931, 17847, 27762, 29862, 35694, 41643, 52219, 83286, 104438, 124929, 156657, 249858, 313314, 365533, 469971, 731066, 939942, 1096599, 1409913, 2193198, 2819826, 3289797, 6579594, 9869391, 19738782]

約数ペア:

[(1, 19738782), (2, 9869391), (3, 6579594), (6, 3289797), (7, 2819826), (9, 2193198), (14, 1409913), (18, 1096599), (21, 939942), (27, 731066), (42, 469971), (54, 365533), (63, 313314), (79, 249858), (126, 156657), (158, 124929), (189, 104438), (237, 83286), (378, 52219), (474, 41643), (553, 35694), (661, 29862), (711, 27762), (1106, 17847), (1322, 14931), (1422, 13881), (1659, 11898), (1983, 9954), (2133, 9254), (3318, 5949), (3966, 4977), (4266, 4627)]