19188784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 23665616

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 47, 68, 76, 79, 94, 136, 152, 158, 188, 272, 304, 316, 323, 376, 632, 646, 752, 799, 893, 1264, 1292, 1343, 1501, 1598, 1786, 2584, 2686, 3002, 3196, 3572, 3713, 5168, 5372, 6004, 6392, 7144, 7426, 10744, 12008, 12784, 14288, 14852, 15181, 21488, 24016, 25517, 29704, 30362, 51034, 59408, 60724, 63121, 70547, 102068, 121448, 126242, 141094, 204136, 242896, 252484, 282188, 408272, 504968, 564376, 1009936, 1128752, 1199299, 2398598, 4797196, 9594392, 19188784]

約数ペア:

[(1, 19188784), (2, 9594392), (4, 4797196), (8, 2398598), (16, 1199299), (17, 1128752), (19, 1009936), (34, 564376), (38, 504968), (47, 408272), (68, 282188), (76, 252484), (79, 242896), (94, 204136), (136, 141094), (152, 126242), (158, 121448), (188, 102068), (272, 70547), (304, 63121), (316, 60724), (323, 59408), (376, 51034), (632, 30362), (646, 29704), (752, 25517), (799, 24016), (893, 21488), (1264, 15181), (1292, 14852), (1343, 14288), (1501, 12784), (1598, 12008), (1786, 10744), (2584, 7426), (2686, 7144), (3002, 6392), (3196, 6004), (3572, 5372), (3713, 5168)]