19951659

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 37582272

約数和(自身を除く): 17630613

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1433, 1547, 1989, 4299, 4641, 10031, 12897, 13923, 18629, 24361, 30093, 55887, 73083, 90279, 130403, 167661, 170527, 219249, 316693, 391209, 511581, 950079, 1173627, 1534743, 2216851, 2850237, 6650553, 19951659]

約数ペア:

[(1, 19951659), (3, 6650553), (7, 2850237), (9, 2216851), (13, 1534743), (17, 1173627), (21, 950079), (39, 511581), (51, 391209), (63, 316693), (91, 219249), (117, 170527), (119, 167661), (153, 130403), (221, 90279), (273, 73083), (357, 55887), (663, 30093), (819, 24361), (1071, 18629), (1433, 13923), (1547, 12897), (1989, 10031), (4299, 4641)]