19684060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 25821092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 683, 1310, 1366, 1441, 2620, 2732, 2882, 3415, 5764, 6830, 7205, 7513, 13660, 14410, 15026, 28820, 30052, 37565, 75130, 89473, 150260, 178946, 357892, 447365, 894730, 984203, 1789460, 1968406, 3936812, 4921015, 9842030, 19684060]

約数ペア:

[(1, 19684060), (2, 9842030), (4, 4921015), (5, 3936812), (10, 1968406), (11, 1789460), (20, 984203), (22, 894730), (44, 447365), (55, 357892), (110, 178946), (131, 150260), (220, 89473), (262, 75130), (524, 37565), (655, 30052), (683, 28820), (1310, 15026), (1366, 14410), (1441, 13660), (2620, 7513), (2732, 7205), (2882, 6830), (3415, 5764)]