19578588

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 49230720

約数和(自身を除く): 29652132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 1997, 2451, 3268, 3994, 4902, 5991, 7988, 9804, 11982, 23964, 37943, 75886, 85871, 113829, 151772, 171742, 227658, 257613, 343484, 455316, 515226, 1030452, 1631549, 3263098, 4894647, 6526196, 9789294, 19578588]

約数ペア:

[(1, 19578588), (2, 9789294), (3, 6526196), (4, 4894647), (6, 3263098), (12, 1631549), (19, 1030452), (38, 515226), (43, 455316), (57, 343484), (76, 257613), (86, 227658), (114, 171742), (129, 151772), (172, 113829), (228, 85871), (258, 75886), (516, 37943), (817, 23964), (1634, 11982), (1997, 9804), (2451, 7988), (3268, 5991), (3994, 4902)]