19578072

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 51068160

約数和(自身を除く): 31490088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 61, 86, 122, 129, 172, 183, 244, 258, 311, 344, 366, 488, 516, 622, 732, 933, 1032, 1244, 1464, 1866, 2488, 2623, 3732, 5246, 7464, 7869, 10492, 13373, 15738, 18971, 20984, 26746, 31476, 37942, 40119, 53492, 56913, 62952, 75884, 80238, 106984, 113826, 151768, 160476, 227652, 320952, 455304, 815753, 1631506, 2447259, 3263012, 4894518, 6526024, 9789036, 19578072]

約数ペア:

[(1, 19578072), (2, 9789036), (3, 6526024), (4, 4894518), (6, 3263012), (8, 2447259), (12, 1631506), (24, 815753), (43, 455304), (61, 320952), (86, 227652), (122, 160476), (129, 151768), (172, 113826), (183, 106984), (244, 80238), (258, 75884), (311, 62952), (344, 56913), (366, 53492), (488, 40119), (516, 37942), (622, 31476), (732, 26746), (933, 20984), (1032, 18971), (1244, 15738), (1464, 13373), (1866, 10492), (2488, 7869), (2623, 7464), (3732, 5246)]