19342816

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 40769568

約数和(自身を除く): 21426752

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 82, 92, 164, 184, 328, 368, 641, 656, 736, 943, 1282, 1312, 1886, 2564, 3772, 5128, 7544, 10256, 14743, 15088, 20512, 26281, 29486, 30176, 52562, 58972, 105124, 117944, 210248, 235888, 420496, 471776, 604463, 840992, 1208926, 2417852, 4835704, 9671408, 19342816]

約数ペア:

[(1, 19342816), (2, 9671408), (4, 4835704), (8, 2417852), (16, 1208926), (23, 840992), (32, 604463), (41, 471776), (46, 420496), (82, 235888), (92, 210248), (164, 117944), (184, 105124), (328, 58972), (368, 52562), (641, 30176), (656, 29486), (736, 26281), (943, 20512), (1282, 15088), (1312, 14743), (1886, 10256), (2564, 7544), (3772, 5128)]