19449352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 22644728

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 47, 52, 92, 94, 104, 173, 184, 188, 299, 346, 376, 598, 611, 692, 1081, 1196, 1222, 1384, 2162, 2249, 2392, 2444, 3979, 4324, 4498, 4888, 7958, 8131, 8648, 8996, 14053, 15916, 16262, 17992, 28106, 31832, 32524, 51727, 56212, 65048, 103454, 105703, 112424, 187013, 206908, 211406, 374026, 413816, 422812, 748052, 845624, 1496104, 2431169, 4862338, 9724676, 19449352]

約数ペア:

[(1, 19449352), (2, 9724676), (4, 4862338), (8, 2431169), (13, 1496104), (23, 845624), (26, 748052), (46, 422812), (47, 413816), (52, 374026), (92, 211406), (94, 206908), (104, 187013), (173, 112424), (184, 105703), (188, 103454), (299, 65048), (346, 56212), (376, 51727), (598, 32524), (611, 31832), (692, 28106), (1081, 17992), (1196, 16262), (1222, 15916), (1384, 14053), (2162, 8996), (2249, 8648), (2392, 8131), (2444, 7958), (3979, 4888), (4324, 4498)]