1915804540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179719}}^1$

素因数の和:179782

約数の個数: 48

約数和(自身を含む): 4438365120

約数和(自身を除く): 2522560580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 179719, 359438, 718876, 898595, 1797190, 2336347, 3594380, 4672694, 7368479, 9345388, 11681735, 14736958, 23363470, 29473916, 36842395, 46726940, 73684790, 95790227, 147369580, 191580454, 383160908, 478951135, 957902270, 1915804540]

約数ペア:

[(1, 1915804540), (2, 957902270), (4, 478951135), (5, 383160908), (10, 191580454), (13, 147369580), (20, 95790227), (26, 73684790), (41, 46726940), (52, 36842395), (65, 29473916), (82, 23363470), (130, 14736958), (164, 11681735), (205, 9345388), (260, 7368479), (410, 4672694), (533, 3594380), (820, 2336347), (1066, 1797190), (2132, 898595), (2665, 718876), (5330, 359438), (10660, 179719)]