1918196780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{19763}}^1$

素因数の和:20006

約数の個数: 48

約数和(自身を含む): 4223487744

約数和(自身を除く): 2305290964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 211, 230, 422, 460, 844, 1055, 2110, 4220, 4853, 9706, 19412, 19763, 24265, 39526, 48530, 79052, 97060, 98815, 197630, 395260, 454549, 909098, 1818196, 2272745, 4169993, 4545490, 8339986, 9090980, 16679972, 20849965, 41699930, 83399860, 95909839, 191819678, 383639356, 479549195, 959098390, 1918196780]

約数ペア:

[(1, 1918196780), (2, 959098390), (4, 479549195), (5, 383639356), (10, 191819678), (20, 95909839), (23, 83399860), (46, 41699930), (92, 20849965), (115, 16679972), (211, 9090980), (230, 8339986), (422, 4545490), (460, 4169993), (844, 2272745), (1055, 1818196), (2110, 909098), (4220, 454549), (4853, 395260), (9706, 197630), (19412, 98815), (19763, 97060), (24265, 79052), (39526, 48530)]