19155344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 43538880

約数和(自身を除く): 24383536

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 37, 38, 52, 74, 76, 104, 131, 148, 152, 208, 247, 262, 296, 304, 481, 494, 524, 592, 703, 962, 988, 1048, 1406, 1703, 1924, 1976, 2096, 2489, 2812, 3406, 3848, 3952, 4847, 4978, 5624, 6812, 7696, 9139, 9694, 9956, 11248, 13624, 18278, 19388, 19912, 27248, 32357, 36556, 38776, 39824, 63011, 64714, 73112, 77552, 92093, 126022, 129428, 146224, 184186, 252044, 258856, 368372, 504088, 517712, 736744, 1008176, 1197209, 1473488, 2394418, 4788836, 9577672, 19155344]

約数ペア:

[(1, 19155344), (2, 9577672), (4, 4788836), (8, 2394418), (13, 1473488), (16, 1197209), (19, 1008176), (26, 736744), (37, 517712), (38, 504088), (52, 368372), (74, 258856), (76, 252044), (104, 184186), (131, 146224), (148, 129428), (152, 126022), (208, 92093), (247, 77552), (262, 73112), (296, 64714), (304, 63011), (481, 39824), (494, 38776), (524, 36556), (592, 32357), (703, 27248), (962, 19912), (988, 19388), (1048, 18278), (1406, 13624), (1703, 11248), (1924, 9956), (1976, 9694), (2096, 9139), (2489, 7696), (2812, 6812), (3406, 5624), (3848, 4978), (3952, 4847)]