19965036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 38740884

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 47, 52, 78, 84, 91, 94, 141, 156, 182, 188, 273, 282, 329, 364, 389, 546, 564, 611, 658, 778, 987, 1092, 1167, 1222, 1316, 1556, 1833, 1974, 2334, 2444, 2723, 3666, 3948, 4277, 4668, 5057, 5446, 7332, 8169, 8554, 10114, 10892, 12831, 15171, 16338, 17108, 18283, 20228, 25662, 30342, 32676, 35399, 36566, 51324, 54849, 60684, 70798, 73132, 106197, 109698, 127981, 141596, 212394, 219396, 237679, 255962, 383943, 424788, 475358, 511924, 713037, 767886, 950716, 1426074, 1535772, 1663753, 2852148, 3327506, 4991259, 6655012, 9982518, 19965036]

約数ペア:

[(1, 19965036), (2, 9982518), (3, 6655012), (4, 4991259), (6, 3327506), (7, 2852148), (12, 1663753), (13, 1535772), (14, 1426074), (21, 950716), (26, 767886), (28, 713037), (39, 511924), (42, 475358), (47, 424788), (52, 383943), (78, 255962), (84, 237679), (91, 219396), (94, 212394), (141, 141596), (156, 127981), (182, 109698), (188, 106197), (273, 73132), (282, 70798), (329, 60684), (364, 54849), (389, 51324), (546, 36566), (564, 35399), (611, 32676), (658, 30342), (778, 25662), (987, 20228), (1092, 18283), (1167, 17108), (1222, 16338), (1316, 15171), (1556, 12831), (1833, 10892), (1974, 10114), (2334, 8554), (2444, 8169), (2723, 7332), (3666, 5446), (3948, 5057), (4277, 4668)]