19045377

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 12404223

約数列:

[1, 3, 9, 13, 31, 39, 59, 89, 93, 117, 177, 267, 279, 403, 531, 767, 801, 1157, 1209, 1829, 2301, 2759, 3471, 3627, 5251, 5487, 6903, 8277, 10413, 15753, 16461, 23777, 24831, 35867, 47259, 68263, 71331, 107601, 162781, 204789, 213993, 322803, 488343, 614367, 1465029, 2116153, 6348459, 19045377]

約数ペア:

[(1, 19045377), (3, 6348459), (9, 2116153), (13, 1465029), (31, 614367), (39, 488343), (59, 322803), (89, 213993), (93, 204789), (117, 162781), (177, 107601), (267, 71331), (279, 68263), (403, 47259), (531, 35867), (767, 24831), (801, 23777), (1157, 16461), (1209, 15753), (1829, 10413), (2301, 8277), (2759, 6903), (3471, 5487), (3627, 5251)]