19125976208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1\times {\mathrm{1901}}^1$

素因数の和:2760

約数の個数: 80

約数和(自身を含む): 40143216384

約数和(自身を除く): 21017240176

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 787, 799, 1574, 1598, 1901, 3148, 3196, 3802, 6296, 6392, 7604, 12592, 12784, 13379, 15208, 26758, 30416, 32317, 36989, 53516, 64634, 73978, 89347, 107032, 129268, 147956, 178694, 214064, 258536, 295912, 357388, 517072, 591824, 628813, 714776, 1257626, 1429552, 1496087, 1518899, 2515252, 2992174, 3037798, 5030504, 5984348, 6075596, 10061008, 11968696, 12151192, 23937392, 24302384, 25433479, 50866958, 70316089, 101733916, 140632178, 203467832, 281264356, 406935664, 562528712, 1125057424, 1195373513, 2390747026, 4781494052, 9562988104, 19125976208]

約数ペア:

[(1, 19125976208), (2, 9562988104), (4, 4781494052), (8, 2390747026), (16, 1195373513), (17, 1125057424), (34, 562528712), (47, 406935664), (68, 281264356), (94, 203467832), (136, 140632178), (188, 101733916), (272, 70316089), (376, 50866958), (752, 25433479), (787, 24302384), (799, 23937392), (1574, 12151192), (1598, 11968696), (1901, 10061008), (3148, 6075596), (3196, 5984348), (3802, 5030504), (6296, 3037798), (6392, 2992174), (7604, 2515252), (12592, 1518899), (12784, 1496087), (13379, 1429552), (15208, 1257626), (26758, 714776), (30416, 628813), (32317, 591824), (36989, 517072), (53516, 357388), (64634, 295912), (73978, 258536), (89347, 214064), (107032, 178694), (129268, 147956)]