19118366901

素因数分解:

$3^8\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 29362394880

約数和(自身を除く): 10244027979

約数列:

[1, 3, 9, 27, 73, 81, 179, 219, 223, 243, 537, 657, 669, 729, 1611, 1971, 2007, 2187, 4833, 5913, 6021, 6561, 13067, 14499, 16279, 17739, 18063, 39201, 39917, 43497, 48837, 53217, 54189, 117603, 119751, 130491, 146511, 159651, 162567, 352809, 359253, 391473, 439533, 478953, 487701, 1058427, 1077759, 1174419, 1318599, 1463103, 2913941, 3175281, 3233277, 3955797, 8741823, 9525843, 9699831, 11867391, 26225469, 28577529, 29099493, 35602173, 78676407, 85732587, 87298479, 106806519, 236029221, 261895437, 708087663, 2124262989, 6372788967, 19118366901]

約数ペア:

[(1, 19118366901), (3, 6372788967), (9, 2124262989), (27, 708087663), (73, 261895437), (81, 236029221), (179, 106806519), (219, 87298479), (223, 85732587), (243, 78676407), (537, 35602173), (657, 29099493), (669, 28577529), (729, 26225469), (1611, 11867391), (1971, 9699831), (2007, 9525843), (2187, 8741823), (4833, 3955797), (5913, 3233277), (6021, 3175281), (6561, 2913941), (13067, 1463103), (14499, 1318599), (16279, 1174419), (17739, 1077759), (18063, 1058427), (39201, 487701), (39917, 478953), (43497, 439533), (48837, 391473), (53217, 359253), (54189, 352809), (117603, 162567), (119751, 159651), (130491, 146511)]