19899726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2267}}^1$

素因数の和:2309

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 32354994

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 154, 209, 231, 266, 399, 418, 462, 627, 798, 1254, 1463, 2267, 2926, 4389, 4534, 6801, 8778, 13602, 15869, 24937, 31738, 43073, 47607, 49874, 74811, 86146, 95214, 129219, 149622, 174559, 258438, 301511, 349118, 473803, 523677, 603022, 904533, 947606, 1047354, 1421409, 1809066, 2842818, 3316621, 6633242, 9949863, 19899726]

約数ペア:

[(1, 19899726), (2, 9949863), (3, 6633242), (6, 3316621), (7, 2842818), (11, 1809066), (14, 1421409), (19, 1047354), (21, 947606), (22, 904533), (33, 603022), (38, 523677), (42, 473803), (57, 349118), (66, 301511), (77, 258438), (114, 174559), (133, 149622), (154, 129219), (209, 95214), (231, 86146), (266, 74811), (399, 49874), (418, 47607), (462, 43073), (627, 31738), (798, 24937), (1254, 15869), (1463, 13602), (2267, 8778), (2926, 6801), (4389, 4534)]