19544848

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 39872448

約数和(自身を除く): 20327600

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 173, 184, 307, 346, 368, 614, 692, 1228, 1384, 2456, 2768, 3979, 4912, 7061, 7958, 14122, 15916, 28244, 31832, 53111, 56488, 63664, 106222, 112976, 212444, 424888, 849776, 1221553, 2443106, 4886212, 9772424, 19544848]

約数ペア:

[(1, 19544848), (2, 9772424), (4, 4886212), (8, 2443106), (16, 1221553), (23, 849776), (46, 424888), (92, 212444), (173, 112976), (184, 106222), (307, 63664), (346, 56488), (368, 53111), (614, 31832), (692, 28244), (1228, 15916), (1384, 14122), (2456, 7958), (2768, 7061), (3979, 4912)]