19947144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3209}}^1$

素因数の和:3262

約数の個数: 64

約数和(自身を含む): 58550400

約数和(自身を除く): 38603256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3209, 6216, 6418, 9627, 12836, 19254, 22463, 25672, 38508, 44926, 67389, 77016, 89852, 118733, 134778, 179704, 237466, 269556, 356199, 474932, 539112, 712398, 831131, 949864, 1424796, 1662262, 2493393, 2849592, 3324524, 4986786, 6649048, 9973572, 19947144]

約数ペア:

[(1, 19947144), (2, 9973572), (3, 6649048), (4, 4986786), (6, 3324524), (7, 2849592), (8, 2493393), (12, 1662262), (14, 1424796), (21, 949864), (24, 831131), (28, 712398), (37, 539112), (42, 474932), (56, 356199), (74, 269556), (84, 237466), (111, 179704), (148, 134778), (168, 118733), (222, 89852), (259, 77016), (296, 67389), (444, 44926), (518, 38508), (777, 25672), (888, 22463), (1036, 19254), (1554, 12836), (2072, 9627), (3108, 6418), (3209, 6216)]