19105688

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 45800640

約数和(自身を除く): 26694952

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 47, 49, 56, 61, 68, 94, 98, 119, 122, 136, 188, 196, 238, 244, 329, 376, 392, 427, 476, 488, 658, 799, 833, 854, 952, 1037, 1316, 1598, 1666, 1708, 2074, 2303, 2632, 2867, 2989, 3196, 3332, 3416, 4148, 4606, 5593, 5734, 5978, 6392, 6664, 7259, 8296, 9212, 11186, 11468, 11956, 14518, 18424, 20069, 22372, 22936, 23912, 29036, 39151, 40138, 44744, 48739, 50813, 58072, 78302, 80276, 97478, 101626, 140483, 156604, 160552, 194956, 203252, 280966, 313208, 341173, 389912, 406504, 561932, 682346, 1123864, 1364692, 2388211, 2729384, 4776422, 9552844, 19105688]

約数ペア:

[(1, 19105688), (2, 9552844), (4, 4776422), (7, 2729384), (8, 2388211), (14, 1364692), (17, 1123864), (28, 682346), (34, 561932), (47, 406504), (49, 389912), (56, 341173), (61, 313208), (68, 280966), (94, 203252), (98, 194956), (119, 160552), (122, 156604), (136, 140483), (188, 101626), (196, 97478), (238, 80276), (244, 78302), (329, 58072), (376, 50813), (392, 48739), (427, 44744), (476, 40138), (488, 39151), (658, 29036), (799, 23912), (833, 22936), (854, 22372), (952, 20069), (1037, 18424), (1316, 14518), (1598, 11956), (1666, 11468), (1708, 11186), (2074, 9212), (2303, 8296), (2632, 7259), (2867, 6664), (2989, 6392), (3196, 5978), (3332, 5734), (3416, 5593), (4148, 4606)]