19740210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 58281984

約数和(自身を除く): 38541774

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 61, 67, 69, 70, 105, 115, 122, 134, 138, 161, 183, 201, 210, 230, 305, 322, 335, 345, 366, 402, 427, 469, 483, 610, 670, 690, 805, 854, 915, 938, 966, 1005, 1281, 1403, 1407, 1541, 1610, 1830, 2010, 2135, 2345, 2415, 2562, 2806, 2814, 3082, 4087, 4209, 4270, 4623, 4690, 4830, 6405, 7015, 7035, 7705, 8174, 8418, 9246, 9821, 10787, 12261, 12810, 14030, 14070, 15410, 19642, 20435, 21045, 21574, 23115, 24522, 28609, 29463, 32361, 40870, 42090, 46230, 49105, 53935, 57218, 58926, 61305, 64722, 85827, 94001, 98210, 107870, 122610, 143045, 147315, 161805, 171654, 188002, 282003, 286090, 294630, 323610, 429135, 470005, 564006, 658007, 858270, 940010, 1316014, 1410015, 1974021, 2820030, 3290035, 3948042, 6580070, 9870105, 19740210]

約数ペア:

[(1, 19740210), (2, 9870105), (3, 6580070), (5, 3948042), (6, 3290035), (7, 2820030), (10, 1974021), (14, 1410015), (15, 1316014), (21, 940010), (23, 858270), (30, 658007), (35, 564006), (42, 470005), (46, 429135), (61, 323610), (67, 294630), (69, 286090), (70, 282003), (105, 188002), (115, 171654), (122, 161805), (134, 147315), (138, 143045), (161, 122610), (183, 107870), (201, 98210), (210, 94001), (230, 85827), (305, 64722), (322, 61305), (335, 58926), (345, 57218), (366, 53935), (402, 49105), (427, 46230), (469, 42090), (483, 40870), (610, 32361), (670, 29463), (690, 28609), (805, 24522), (854, 23115), (915, 21574), (938, 21045), (966, 20435), (1005, 19642), (1281, 15410), (1403, 14070), (1407, 14030), (1541, 12810), (1610, 12261), (1830, 10787), (2010, 9821), (2135, 9246), (2345, 8418), (2415, 8174), (2562, 7705), (2806, 7035), (2814, 7015), (3082, 6405), (4087, 4830), (4209, 4690), (4270, 4623)]