19554444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 62619648

約数和(自身を除く): 43065204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 47, 52, 63, 78, 84, 91, 94, 117, 126, 127, 141, 156, 182, 188, 234, 252, 254, 273, 282, 329, 364, 381, 423, 468, 508, 546, 564, 611, 658, 762, 819, 846, 889, 987, 1092, 1143, 1222, 1316, 1524, 1638, 1651, 1692, 1778, 1833, 1974, 2286, 2444, 2667, 2961, 3276, 3302, 3556, 3666, 3948, 4277, 4572, 4953, 5334, 5499, 5922, 5969, 6604, 7332, 8001, 8554, 9906, 10668, 10998, 11557, 11844, 11938, 12831, 14859, 16002, 17108, 17907, 19812, 21996, 23114, 23876, 25662, 29718, 32004, 34671, 35814, 38493, 41783, 46228, 51324, 53721, 59436, 69342, 71628, 76986, 77597, 83566, 104013, 107442, 125349, 138684, 153972, 155194, 167132, 208026, 214884, 232791, 250698, 310388, 376047, 416052, 465582, 501396, 543179, 698373, 752094, 931164, 1086358, 1396746, 1504188, 1629537, 2172716, 2793492, 3259074, 4888611, 6518148, 9777222, 19554444]

約数ペア:

[(1, 19554444), (2, 9777222), (3, 6518148), (4, 4888611), (6, 3259074), (7, 2793492), (9, 2172716), (12, 1629537), (13, 1504188), (14, 1396746), (18, 1086358), (21, 931164), (26, 752094), (28, 698373), (36, 543179), (39, 501396), (42, 465582), (47, 416052), (52, 376047), (63, 310388), (78, 250698), (84, 232791), (91, 214884), (94, 208026), (117, 167132), (126, 155194), (127, 153972), (141, 138684), (156, 125349), (182, 107442), (188, 104013), (234, 83566), (252, 77597), (254, 76986), (273, 71628), (282, 69342), (329, 59436), (364, 53721), (381, 51324), (423, 46228), (468, 41783), (508, 38493), (546, 35814), (564, 34671), (611, 32004), (658, 29718), (762, 25662), (819, 23876), (846, 23114), (889, 21996), (987, 19812), (1092, 17907), (1143, 17108), (1222, 16002), (1316, 14859), (1524, 12831), (1638, 11938), (1651, 11844), (1692, 11557), (1778, 10998), (1833, 10668), (1974, 9906), (2286, 8554), (2444, 8001), (2667, 7332), (2961, 6604), (3276, 5969), (3302, 5922), (3556, 5499), (3666, 5334), (3948, 4953), (4277, 4572)]