19870008

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 54328320

約数和(自身を除く): 34458312

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1571, 1581, 2108, 3142, 3162, 4216, 4713, 6284, 6324, 9426, 12568, 12648, 18852, 26707, 37704, 48701, 53414, 80121, 97402, 106828, 146103, 160242, 194804, 213656, 292206, 320484, 389608, 584412, 640968, 827917, 1168824, 1655834, 2483751, 3311668, 4967502, 6623336, 9935004, 19870008]

約数ペア:

[(1, 19870008), (2, 9935004), (3, 6623336), (4, 4967502), (6, 3311668), (8, 2483751), (12, 1655834), (17, 1168824), (24, 827917), (31, 640968), (34, 584412), (51, 389608), (62, 320484), (68, 292206), (93, 213656), (102, 194804), (124, 160242), (136, 146103), (186, 106828), (204, 97402), (248, 80121), (372, 53414), (408, 48701), (527, 37704), (744, 26707), (1054, 18852), (1571, 12648), (1581, 12568), (2108, 9426), (3142, 6324), (3162, 6284), (4216, 4713)]