19521056

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 40995360

約数和(自身を除く): 21474304

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 331, 388, 608, 662, 776, 1324, 1552, 1843, 2648, 3104, 3686, 5296, 6289, 7372, 10592, 12578, 14744, 25156, 29488, 32107, 50312, 58976, 64214, 100624, 128428, 201248, 256856, 513712, 610033, 1027424, 1220066, 2440132, 4880264, 9760528, 19521056]

約数ペア:

[(1, 19521056), (2, 9760528), (4, 4880264), (8, 2440132), (16, 1220066), (19, 1027424), (32, 610033), (38, 513712), (76, 256856), (97, 201248), (152, 128428), (194, 100624), (304, 64214), (331, 58976), (388, 50312), (608, 32107), (662, 29488), (776, 25156), (1324, 14744), (1552, 12578), (1843, 10592), (2648, 7372), (3104, 6289), (3686, 5296)]