19517104

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 60

約数和(自身を含む): 41574720

約数和(自身を除く): 22057616

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 109, 124, 152, 218, 248, 304, 361, 436, 496, 589, 722, 872, 1178, 1444, 1744, 2071, 2356, 2888, 3379, 4142, 4712, 5776, 6758, 8284, 9424, 11191, 13516, 16568, 22382, 27032, 33136, 39349, 44764, 54064, 64201, 78698, 89528, 128402, 157396, 179056, 256804, 314792, 513608, 629584, 1027216, 1219819, 2439638, 4879276, 9758552, 19517104]

約数ペア:

[(1, 19517104), (2, 9758552), (4, 4879276), (8, 2439638), (16, 1219819), (19, 1027216), (31, 629584), (38, 513608), (62, 314792), (76, 256804), (109, 179056), (124, 157396), (152, 128402), (218, 89528), (248, 78698), (304, 64201), (361, 54064), (436, 44764), (496, 39349), (589, 33136), (722, 27032), (872, 22382), (1178, 16568), (1444, 13516), (1744, 11191), (2071, 9424), (2356, 8284), (2888, 6758), (3379, 5776), (4142, 4712)]