19712784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4544

約数の個数: 80

約数和(自身を含む): 62690432

約数和(自身を除く): 42977648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4513, 9026, 13539, 18052, 27078, 31591, 36104, 54156, 58669, 63182, 72208, 94773, 108312, 117338, 126364, 176007, 189546, 216624, 234676, 252728, 352014, 379092, 410683, 469352, 505456, 704028, 758184, 821366, 938704, 1232049, 1408056, 1516368, 1642732, 2464098, 2816112, 3285464, 4928196, 6570928, 9856392, 19712784]

約数ペア:

[(1, 19712784), (2, 9856392), (3, 6570928), (4, 4928196), (6, 3285464), (7, 2816112), (8, 2464098), (12, 1642732), (13, 1516368), (14, 1408056), (16, 1232049), (21, 938704), (24, 821366), (26, 758184), (28, 704028), (39, 505456), (42, 469352), (48, 410683), (52, 379092), (56, 352014), (78, 252728), (84, 234676), (91, 216624), (104, 189546), (112, 176007), (156, 126364), (168, 117338), (182, 108312), (208, 94773), (273, 72208), (312, 63182), (336, 58669), (364, 54156), (546, 36104), (624, 31591), (728, 27078), (1092, 18052), (1456, 13539), (2184, 9026), (4368, 4513)]