17804945980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1423}}^1\times {\mathrm{1733}}^1$

素因数の和:3203

約数の個数: 72

約数和(自身を含む): 39512394432

約数和(自身を除く): 21707448452

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1423, 1444, 1733, 1805, 2846, 3466, 3610, 5692, 6932, 7115, 7220, 8665, 14230, 17330, 27037, 28460, 32927, 34660, 54074, 65854, 108148, 131708, 135185, 164635, 270370, 329270, 513703, 540740, 625613, 658540, 1027406, 1251226, 2054812, 2466059, 2502452, 2568515, 3128065, 4932118, 5137030, 6256130, 9864236, 10274060, 12330295, 12512260, 24660590, 46855121, 49321180, 93710242, 187420484, 234275605, 468551210, 890247299, 937102420, 1780494598, 3560989196, 4451236495, 8902472990, 17804945980]

約数ペア:

[(1, 17804945980), (2, 8902472990), (4, 4451236495), (5, 3560989196), (10, 1780494598), (19, 937102420), (20, 890247299), (38, 468551210), (76, 234275605), (95, 187420484), (190, 93710242), (361, 49321180), (380, 46855121), (722, 24660590), (1423, 12512260), (1444, 12330295), (1733, 10274060), (1805, 9864236), (2846, 6256130), (3466, 5137030), (3610, 4932118), (5692, 3128065), (6932, 2568515), (7115, 2502452), (7220, 2466059), (8665, 2054812), (14230, 1251226), (17330, 1027406), (27037, 658540), (28460, 625613), (32927, 540740), (34660, 513703), (54074, 329270), (65854, 270370), (108148, 164635), (131708, 135185)]