199372016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1787}}^1$

素因数の和:2181

約数の個数: 40

約数和(自身を含む): 407950080

約数和(自身を除く): 208578064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 367, 734, 1468, 1787, 2936, 3574, 5872, 6973, 7148, 13946, 14296, 27892, 28592, 33953, 55784, 67906, 111568, 135812, 271624, 543248, 655829, 1311658, 2623316, 5246632, 10493264, 12460751, 24921502, 49843004, 99686008, 199372016]

約数ペア:

[(1, 199372016), (2, 99686008), (4, 49843004), (8, 24921502), (16, 12460751), (19, 10493264), (38, 5246632), (76, 2623316), (152, 1311658), (304, 655829), (367, 543248), (734, 271624), (1468, 135812), (1787, 111568), (2936, 67906), (3574, 55784), (5872, 33953), (6973, 28592), (7148, 27892), (13946, 14296)]