19899370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 17736470

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 241, 359, 482, 718, 1205, 1795, 2410, 3590, 5543, 8257, 11086, 16514, 27715, 41285, 55430, 82570, 86519, 173038, 432595, 865190, 1989937, 3979874, 9949685, 19899370]

約数ペア:

[(1, 19899370), (2, 9949685), (5, 3979874), (10, 1989937), (23, 865190), (46, 432595), (115, 173038), (230, 86519), (241, 82570), (359, 55430), (482, 41285), (718, 27715), (1205, 16514), (1795, 11086), (2410, 8257), (3590, 5543)]