19450548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 108

約数和(自身を含む): 55954080

約数和(自身を除く): 36503532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 139, 156, 169, 207, 234, 276, 278, 299, 338, 414, 417, 468, 507, 556, 598, 676, 828, 834, 897, 1014, 1196, 1251, 1521, 1668, 1794, 1807, 2028, 2502, 2691, 3042, 3197, 3588, 3614, 3887, 5004, 5382, 5421, 6084, 6394, 7228, 7774, 9591, 10764, 10842, 11661, 12788, 15548, 16263, 19182, 21684, 23322, 23491, 28773, 32526, 34983, 38364, 41561, 46644, 46982, 57546, 65052, 69966, 70473, 83122, 93964, 115092, 124683, 139932, 140946, 166244, 211419, 249366, 281892, 374049, 422838, 498732, 540293, 748098, 845676, 1080586, 1496196, 1620879, 2161172, 3241758, 4862637, 6483516, 9725274, 19450548]

約数ペア:

[(1, 19450548), (2, 9725274), (3, 6483516), (4, 4862637), (6, 3241758), (9, 2161172), (12, 1620879), (13, 1496196), (18, 1080586), (23, 845676), (26, 748098), (36, 540293), (39, 498732), (46, 422838), (52, 374049), (69, 281892), (78, 249366), (92, 211419), (117, 166244), (138, 140946), (139, 139932), (156, 124683), (169, 115092), (207, 93964), (234, 83122), (276, 70473), (278, 69966), (299, 65052), (338, 57546), (414, 46982), (417, 46644), (468, 41561), (507, 38364), (556, 34983), (598, 32526), (676, 28773), (828, 23491), (834, 23322), (897, 21684), (1014, 19182), (1196, 16263), (1251, 15548), (1521, 12788), (1668, 11661), (1794, 10842), (1807, 10764), (2028, 9591), (2502, 7774), (2691, 7228), (3042, 6394), (3197, 6084), (3588, 5421), (3614, 5382), (3887, 5004)]