309181718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 498061440

約数和(自身を除く): 188879722

約数列:

[1, 2, 19, 38, 73, 146, 227, 454, 491, 982, 1387, 2774, 4313, 8626, 9329, 16571, 18658, 33142, 35843, 71686, 111457, 222914, 314849, 629698, 681017, 1362034, 2117683, 4235366, 8136361, 16272722, 154590859, 309181718]

約数ペア:

[(1, 309181718), (2, 154590859), (19, 16272722), (38, 8136361), (73, 4235366), (146, 2117683), (227, 1362034), (454, 681017), (491, 629698), (982, 314849), (1387, 222914), (2774, 111457), (4313, 71686), (8626, 35843), (9329, 33142), (16571, 18658)]