189041830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 377395200

約数和(自身を除く): 188353370

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 181, 190, 230, 239, 362, 437, 478, 874, 905, 1195, 1810, 2185, 2390, 3439, 4163, 4370, 4541, 5497, 6878, 8326, 9082, 10994, 17195, 20815, 22705, 27485, 34390, 41630, 43259, 45410, 54970, 79097, 86518, 104443, 158194, 208886, 216295, 395485, 432590, 522215, 790970, 821921, 994957, 1044430, 1643842, 1989914, 4109605, 4974785, 8219210, 9949570, 18904183, 37808366, 94520915, 189041830]

約数ペア:

[(1, 189041830), (2, 94520915), (5, 37808366), (10, 18904183), (19, 9949570), (23, 8219210), (38, 4974785), (46, 4109605), (95, 1989914), (115, 1643842), (181, 1044430), (190, 994957), (230, 821921), (239, 790970), (362, 522215), (437, 432590), (478, 395485), (874, 216295), (905, 208886), (1195, 158194), (1810, 104443), (2185, 86518), (2390, 79097), (3439, 54970), (4163, 45410), (4370, 43259), (4541, 41630), (5497, 34390), (6878, 27485), (8326, 22705), (9082, 20815), (10994, 17195)]