19558448

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 50465520

約数和(自身を除く): 30907072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 101, 104, 112, 133, 152, 182, 196, 202, 208, 247, 266, 304, 364, 392, 404, 494, 532, 637, 707, 728, 784, 808, 931, 988, 1064, 1274, 1313, 1414, 1456, 1616, 1729, 1862, 1919, 1976, 2128, 2548, 2626, 2828, 3458, 3724, 3838, 3952, 4949, 5096, 5252, 5656, 6916, 7448, 7676, 9191, 9898, 10192, 10504, 11312, 12103, 13433, 13832, 14896, 15352, 18382, 19796, 21008, 24206, 24947, 26866, 27664, 30704, 36764, 39592, 48412, 49894, 53732, 64337, 73528, 79184, 94031, 96824, 99788, 107464, 128674, 147056, 174629, 188062, 193648, 199576, 214928, 257348, 349258, 376124, 399152, 514696, 698516, 752248, 1029392, 1222403, 1397032, 1504496, 2444806, 2794064, 4889612, 9779224, 19558448]

約数ペア:

[(1, 19558448), (2, 9779224), (4, 4889612), (7, 2794064), (8, 2444806), (13, 1504496), (14, 1397032), (16, 1222403), (19, 1029392), (26, 752248), (28, 698516), (38, 514696), (49, 399152), (52, 376124), (56, 349258), (76, 257348), (91, 214928), (98, 199576), (101, 193648), (104, 188062), (112, 174629), (133, 147056), (152, 128674), (182, 107464), (196, 99788), (202, 96824), (208, 94031), (247, 79184), (266, 73528), (304, 64337), (364, 53732), (392, 49894), (404, 48412), (494, 39592), (532, 36764), (637, 30704), (707, 27664), (728, 26866), (784, 24947), (808, 24206), (931, 21008), (988, 19796), (1064, 18382), (1274, 15352), (1313, 14896), (1414, 13832), (1456, 13433), (1616, 12103), (1729, 11312), (1862, 10504), (1919, 10192), (1976, 9898), (2128, 9191), (2548, 7676), (2626, 7448), (2828, 6916), (3458, 5656), (3724, 5252), (3838, 5096), (3952, 4949)]