18969576

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 30382104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 67, 94, 134, 141, 188, 201, 251, 268, 282, 376, 402, 502, 536, 564, 753, 804, 1004, 1128, 1506, 1608, 2008, 3012, 3149, 6024, 6298, 9447, 11797, 12596, 16817, 18894, 23594, 25192, 33634, 35391, 37788, 47188, 50451, 67268, 70782, 75576, 94376, 100902, 134536, 141564, 201804, 283128, 403608, 790399, 1580798, 2371197, 3161596, 4742394, 6323192, 9484788, 18969576]

約数ペア:

[(1, 18969576), (2, 9484788), (3, 6323192), (4, 4742394), (6, 3161596), (8, 2371197), (12, 1580798), (24, 790399), (47, 403608), (67, 283128), (94, 201804), (134, 141564), (141, 134536), (188, 100902), (201, 94376), (251, 75576), (268, 70782), (282, 67268), (376, 50451), (402, 47188), (502, 37788), (536, 35391), (564, 33634), (753, 25192), (804, 23594), (1004, 18894), (1128, 16817), (1506, 12596), (1608, 11797), (2008, 9447), (3012, 6298), (3149, 6024)]