19984224

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 37592736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 67, 78, 96, 104, 134, 156, 201, 208, 239, 268, 312, 402, 416, 478, 536, 624, 717, 804, 871, 956, 1072, 1248, 1434, 1608, 1742, 1912, 2144, 2613, 2868, 3107, 3216, 3484, 3824, 5226, 5736, 6214, 6432, 6968, 7648, 9321, 10452, 11472, 12428, 13936, 16013, 18642, 20904, 22944, 24856, 27872, 32026, 37284, 41808, 48039, 49712, 64052, 74568, 83616, 96078, 99424, 128104, 149136, 192156, 208169, 256208, 298272, 384312, 416338, 512416, 624507, 768624, 832676, 1249014, 1537248, 1665352, 2498028, 3330704, 4996056, 6661408, 9992112, 19984224]

約数ペア:

[(1, 19984224), (2, 9992112), (3, 6661408), (4, 4996056), (6, 3330704), (8, 2498028), (12, 1665352), (13, 1537248), (16, 1249014), (24, 832676), (26, 768624), (32, 624507), (39, 512416), (48, 416338), (52, 384312), (67, 298272), (78, 256208), (96, 208169), (104, 192156), (134, 149136), (156, 128104), (201, 99424), (208, 96078), (239, 83616), (268, 74568), (312, 64052), (402, 49712), (416, 48039), (478, 41808), (536, 37284), (624, 32026), (717, 27872), (804, 24856), (871, 22944), (956, 20904), (1072, 18642), (1248, 16013), (1434, 13936), (1608, 12428), (1742, 11472), (1912, 10452), (2144, 9321), (2613, 7648), (2868, 6968), (3107, 6432), (3216, 6214), (3484, 5736), (3824, 5226)]