19293876

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 59195136

約数和(自身を除く): 39901260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 81, 84, 94, 108, 126, 141, 162, 181, 188, 189, 252, 282, 324, 329, 362, 378, 423, 543, 564, 567, 658, 724, 756, 846, 987, 1086, 1134, 1267, 1269, 1316, 1629, 1692, 1974, 2172, 2268, 2534, 2538, 2961, 3258, 3801, 3807, 3948, 4887, 5068, 5076, 5922, 6516, 7602, 7614, 8507, 8883, 9774, 11403, 11844, 14661, 15204, 15228, 17014, 17766, 19548, 22806, 25521, 26649, 29322, 34028, 34209, 35532, 45612, 51042, 53298, 58644, 59549, 68418, 76563, 102084, 102627, 106596, 119098, 136836, 153126, 178647, 205254, 229689, 238196, 306252, 357294, 410508, 459378, 535941, 689067, 714588, 918756, 1071882, 1378134, 1607823, 2143764, 2756268, 3215646, 4823469, 6431292, 9646938, 19293876]

約数ペア:

[(1, 19293876), (2, 9646938), (3, 6431292), (4, 4823469), (6, 3215646), (7, 2756268), (9, 2143764), (12, 1607823), (14, 1378134), (18, 1071882), (21, 918756), (27, 714588), (28, 689067), (36, 535941), (42, 459378), (47, 410508), (54, 357294), (63, 306252), (81, 238196), (84, 229689), (94, 205254), (108, 178647), (126, 153126), (141, 136836), (162, 119098), (181, 106596), (188, 102627), (189, 102084), (252, 76563), (282, 68418), (324, 59549), (329, 58644), (362, 53298), (378, 51042), (423, 45612), (543, 35532), (564, 34209), (567, 34028), (658, 29322), (724, 26649), (756, 25521), (846, 22806), (987, 19548), (1086, 17766), (1134, 17014), (1267, 15228), (1269, 15204), (1316, 14661), (1629, 11844), (1692, 11403), (1974, 9774), (2172, 8883), (2268, 8507), (2534, 7614), (2538, 7602), (2961, 6516), (3258, 5922), (3801, 5076), (3807, 5068), (3948, 4887)]