19663436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 39711168

約数和(自身を除く): 20047732

約数列:

[1, 2, 4, 13, 23, 26, 41, 46, 52, 82, 92, 164, 299, 401, 533, 598, 802, 943, 1066, 1196, 1604, 1886, 2132, 3772, 5213, 9223, 10426, 12259, 16441, 18446, 20852, 24518, 32882, 36892, 49036, 65764, 119899, 213733, 239798, 378143, 427466, 479596, 756286, 854932, 1512572, 4915859, 9831718, 19663436]

約数ペア:

[(1, 19663436), (2, 9831718), (4, 4915859), (13, 1512572), (23, 854932), (26, 756286), (41, 479596), (46, 427466), (52, 378143), (82, 239798), (92, 213733), (164, 119899), (299, 65764), (401, 49036), (533, 36892), (598, 32882), (802, 24518), (943, 20852), (1066, 18446), (1196, 16441), (1604, 12259), (1886, 10426), (2132, 9223), (3772, 5213)]