19169290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 44323200

約数和(自身を除く): 25153910

約数列:

[1, 2, 5, 7, 10, 14, 19, 29, 35, 38, 49, 58, 70, 71, 95, 98, 133, 142, 145, 190, 203, 245, 266, 290, 355, 406, 490, 497, 551, 665, 710, 931, 994, 1015, 1102, 1330, 1349, 1421, 1862, 2030, 2059, 2485, 2698, 2755, 2842, 3479, 3857, 4118, 4655, 4970, 5510, 6745, 6958, 7105, 7714, 9310, 9443, 10295, 13490, 14210, 14413, 17395, 18886, 19285, 20590, 26999, 28826, 34790, 38570, 39121, 47215, 53998, 66101, 72065, 78242, 94430, 100891, 132202, 134995, 144130, 195605, 201782, 269990, 273847, 330505, 391210, 504455, 547694, 661010, 1008910, 1369235, 1916929, 2738470, 3833858, 9584645, 19169290]

約数ペア:

[(1, 19169290), (2, 9584645), (5, 3833858), (7, 2738470), (10, 1916929), (14, 1369235), (19, 1008910), (29, 661010), (35, 547694), (38, 504455), (49, 391210), (58, 330505), (70, 273847), (71, 269990), (95, 201782), (98, 195605), (133, 144130), (142, 134995), (145, 132202), (190, 100891), (203, 94430), (245, 78242), (266, 72065), (290, 66101), (355, 53998), (406, 47215), (490, 39121), (497, 38570), (551, 34790), (665, 28826), (710, 26999), (931, 20590), (994, 19285), (1015, 18886), (1102, 17395), (1330, 14413), (1349, 14210), (1421, 13490), (1862, 10295), (2030, 9443), (2059, 9310), (2485, 7714), (2698, 7105), (2755, 6958), (2842, 6745), (3479, 5510), (3857, 4970), (4118, 4655)]