18238343728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1634

約数の個数: 80

約数和(自身を含む): 38842728192

約数和(自身を除く): 20604384464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 211, 422, 661, 743, 844, 1322, 1486, 1688, 2321, 2644, 2972, 3376, 4642, 5288, 5944, 7271, 8173, 9284, 10576, 11888, 14542, 16346, 18568, 29084, 32692, 37136, 58168, 65384, 116336, 130768, 139471, 156773, 278942, 313546, 491123, 557884, 627092, 982246, 1115768, 1254184, 1534181, 1724503, 1964492, 2231536, 2508368, 3068362, 3449006, 3928984, 5402353, 6136724, 6898012, 7857968, 10804706, 12273448, 13796024, 21609412, 24546896, 27592048, 43218824, 86437648, 103626953, 207253906, 414507812, 829015624, 1139896483, 1658031248, 2279792966, 4559585932, 9119171864, 18238343728]

約数ペア:

[(1, 18238343728), (2, 9119171864), (4, 4559585932), (8, 2279792966), (11, 1658031248), (16, 1139896483), (22, 829015624), (44, 414507812), (88, 207253906), (176, 103626953), (211, 86437648), (422, 43218824), (661, 27592048), (743, 24546896), (844, 21609412), (1322, 13796024), (1486, 12273448), (1688, 10804706), (2321, 7857968), (2644, 6898012), (2972, 6136724), (3376, 5402353), (4642, 3928984), (5288, 3449006), (5944, 3068362), (7271, 2508368), (8173, 2231536), (9284, 1964492), (10576, 1724503), (11888, 1534181), (14542, 1254184), (16346, 1115768), (18568, 982246), (29084, 627092), (32692, 557884), (37136, 491123), (58168, 313546), (65384, 278942), (116336, 156773), (130768, 139471)]