18271160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 44820000

約数和(自身を除く): 26548840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 829, 1102, 1160, 1658, 2204, 2755, 3316, 4145, 4408, 5510, 6632, 8290, 11020, 15751, 16580, 22040, 24041, 31502, 33160, 48082, 63004, 78755, 96164, 120205, 126008, 157510, 192328, 240410, 315020, 456779, 480820, 630040, 913558, 961640, 1827116, 2283895, 3654232, 4567790, 9135580, 18271160]

約数ペア:

[(1, 18271160), (2, 9135580), (4, 4567790), (5, 3654232), (8, 2283895), (10, 1827116), (19, 961640), (20, 913558), (29, 630040), (38, 480820), (40, 456779), (58, 315020), (76, 240410), (95, 192328), (116, 157510), (145, 126008), (152, 120205), (190, 96164), (232, 78755), (290, 63004), (380, 48082), (551, 33160), (580, 31502), (760, 24041), (829, 22040), (1102, 16580), (1160, 15751), (1658, 11020), (2204, 8290), (2755, 6632), (3316, 5510), (4145, 4408)]