19710216

素因数分解:

$2^3\times 3^5\times {\mathrm{10139}}^1$

素因数の和:10160

約数の個数: 48

約数和(自身を含む): 55364400

約数和(自身を除く): 35654184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10139, 20278, 30417, 40556, 60834, 81112, 91251, 121668, 182502, 243336, 273753, 365004, 547506, 730008, 821259, 1095012, 1642518, 2190024, 2463777, 3285036, 4927554, 6570072, 9855108, 19710216]

約数ペア:

[(1, 19710216), (2, 9855108), (3, 6570072), (4, 4927554), (6, 3285036), (8, 2463777), (9, 2190024), (12, 1642518), (18, 1095012), (24, 821259), (27, 730008), (36, 547506), (54, 365004), (72, 273753), (81, 243336), (108, 182502), (162, 121668), (216, 91251), (243, 81112), (324, 60834), (486, 40556), (648, 30417), (972, 20278), (1944, 10139)]