18943712

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 21063808

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 97, 136, 194, 272, 359, 388, 544, 718, 776, 1436, 1552, 1649, 2872, 3104, 3298, 5744, 6103, 6596, 11488, 12206, 13192, 24412, 26384, 34823, 48824, 52768, 69646, 97648, 139292, 195296, 278584, 557168, 591991, 1114336, 1183982, 2367964, 4735928, 9471856, 18943712]

約数ペア:

[(1, 18943712), (2, 9471856), (4, 4735928), (8, 2367964), (16, 1183982), (17, 1114336), (32, 591991), (34, 557168), (68, 278584), (97, 195296), (136, 139292), (194, 97648), (272, 69646), (359, 52768), (388, 48824), (544, 34823), (718, 26384), (776, 24412), (1436, 13192), (1552, 12206), (1649, 11488), (2872, 6596), (3104, 6103), (3298, 5744)]