19604403

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 36556800

約数和(自身を除く): 16952397

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 79, 91, 101, 117, 189, 237, 273, 303, 351, 553, 707, 711, 819, 909, 1027, 1313, 1659, 2121, 2133, 2457, 2727, 3081, 3939, 4977, 6363, 7189, 7979, 9191, 9243, 11817, 14931, 19089, 21567, 23937, 27573, 27729, 35451, 55853, 64701, 71811, 82719, 103727, 167559, 194103, 215433, 248157, 311181, 502677, 726089, 933543, 1508031, 2178267, 2800629, 6534801, 19604403]

約数ペア:

[(1, 19604403), (3, 6534801), (7, 2800629), (9, 2178267), (13, 1508031), (21, 933543), (27, 726089), (39, 502677), (63, 311181), (79, 248157), (91, 215433), (101, 194103), (117, 167559), (189, 103727), (237, 82719), (273, 71811), (303, 64701), (351, 55853), (553, 35451), (707, 27729), (711, 27573), (819, 23937), (909, 21567), (1027, 19089), (1313, 14931), (1659, 11817), (2121, 9243), (2133, 9191), (2457, 7979), (2727, 7189), (3081, 6363), (3939, 4977)]