19968468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6737}}^1$

素因数の和:6776

約数の個数: 48

約数和(自身を含む): 52825920

約数和(自身を除く): 32857452

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 6737, 13474, 20211, 26948, 40422, 80844, 87581, 128003, 175162, 256006, 262743, 350324, 384009, 512012, 525486, 768018, 1050972, 1536036, 1664039, 3328078, 4992117, 6656156, 9984234, 19968468]

約数ペア:

[(1, 19968468), (2, 9984234), (3, 6656156), (4, 4992117), (6, 3328078), (12, 1664039), (13, 1536036), (19, 1050972), (26, 768018), (38, 525486), (39, 512012), (52, 384009), (57, 350324), (76, 262743), (78, 256006), (114, 175162), (156, 128003), (228, 87581), (247, 80844), (494, 40422), (741, 26948), (988, 20211), (1482, 13474), (2964, 6737)]