18936352

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 38669400

約数和(自身を除く): 19733048

約数列:

[1, 2, 4, 8, 16, 32, 61, 89, 109, 122, 178, 218, 244, 356, 436, 488, 712, 872, 976, 1424, 1744, 1952, 2848, 3488, 5429, 6649, 9701, 10858, 13298, 19402, 21716, 26596, 38804, 43432, 53192, 77608, 86864, 106384, 155216, 173728, 212768, 310432, 591761, 1183522, 2367044, 4734088, 9468176, 18936352]

約数ペア:

[(1, 18936352), (2, 9468176), (4, 4734088), (8, 2367044), (16, 1183522), (32, 591761), (61, 310432), (89, 212768), (109, 173728), (122, 155216), (178, 106384), (218, 86864), (244, 77608), (356, 53192), (436, 43432), (488, 38804), (712, 26596), (872, 21716), (976, 19402), (1424, 13298), (1744, 10858), (1952, 9701), (2848, 6649), (3488, 5429)]