18301712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 43955520

約数和(自身を除く): 25653808

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 421, 494, 572, 836, 842, 988, 1144, 1672, 1684, 1976, 2288, 2717, 3344, 3368, 3952, 4631, 5434, 5473, 6736, 7999, 9262, 10868, 10946, 15998, 18524, 21736, 21892, 31996, 37048, 43472, 43784, 60203, 63992, 74096, 87568, 87989, 103987, 120406, 127984, 175978, 207974, 240812, 351956, 415948, 481624, 703912, 831896, 963248, 1143857, 1407824, 1663792, 2287714, 4575428, 9150856, 18301712]

約数ペア:

[(1, 18301712), (2, 9150856), (4, 4575428), (8, 2287714), (11, 1663792), (13, 1407824), (16, 1143857), (19, 963248), (22, 831896), (26, 703912), (38, 481624), (44, 415948), (52, 351956), (76, 240812), (88, 207974), (104, 175978), (143, 127984), (152, 120406), (176, 103987), (208, 87989), (209, 87568), (247, 74096), (286, 63992), (304, 60203), (418, 43784), (421, 43472), (494, 37048), (572, 31996), (836, 21892), (842, 21736), (988, 18524), (1144, 15998), (1672, 10946), (1684, 10868), (1976, 9262), (2288, 7999), (2717, 6736), (3344, 5473), (3368, 5434), (3952, 4631)]