19216736

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 72

約数和(自身を含む): 47592720

約数和(自身を除く): 28375984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 709, 847, 968, 1232, 1418, 1694, 1936, 2464, 2836, 3388, 3872, 4963, 5672, 6776, 7799, 9926, 11344, 13552, 15598, 19852, 22688, 27104, 31196, 39704, 54593, 62392, 79408, 85789, 109186, 124784, 158816, 171578, 218372, 249568, 343156, 436744, 600523, 686312, 873488, 1201046, 1372624, 1746976, 2402092, 2745248, 4804184, 9608368, 19216736]

約数ペア:

[(1, 19216736), (2, 9608368), (4, 4804184), (7, 2745248), (8, 2402092), (11, 1746976), (14, 1372624), (16, 1201046), (22, 873488), (28, 686312), (32, 600523), (44, 436744), (56, 343156), (77, 249568), (88, 218372), (112, 171578), (121, 158816), (154, 124784), (176, 109186), (224, 85789), (242, 79408), (308, 62392), (352, 54593), (484, 39704), (616, 31196), (709, 27104), (847, 22688), (968, 19852), (1232, 15598), (1418, 13552), (1694, 11344), (1936, 9926), (2464, 7799), (2836, 6776), (3388, 5672), (3872, 4963)]