19751030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 21375370

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 169, 290, 310, 338, 377, 403, 754, 806, 845, 899, 1690, 1798, 1885, 2015, 2197, 3770, 4030, 4394, 4495, 4901, 5239, 8990, 9802, 10478, 10985, 11687, 21970, 23374, 24505, 26195, 49010, 52390, 58435, 63713, 68107, 116870, 127426, 136214, 151931, 303862, 318565, 340535, 637130, 681070, 759655, 1519310, 1975103, 3950206, 9875515, 19751030]

約数ペア:

[(1, 19751030), (2, 9875515), (5, 3950206), (10, 1975103), (13, 1519310), (26, 759655), (29, 681070), (31, 637130), (58, 340535), (62, 318565), (65, 303862), (130, 151931), (145, 136214), (155, 127426), (169, 116870), (290, 68107), (310, 63713), (338, 58435), (377, 52390), (403, 49010), (754, 26195), (806, 24505), (845, 23374), (899, 21970), (1690, 11687), (1798, 10985), (1885, 10478), (2015, 9802), (2197, 8990), (3770, 5239), (4030, 4901), (4394, 4495)]