18946928

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 50465520

約数和(自身を除く): 31518592

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 169, 176, 182, 196, 208, 286, 308, 338, 364, 392, 539, 572, 616, 637, 676, 728, 784, 1001, 1078, 1144, 1183, 1232, 1274, 1352, 1456, 1859, 2002, 2156, 2197, 2288, 2366, 2548, 2704, 3718, 4004, 4312, 4394, 4732, 5096, 7007, 7436, 8008, 8281, 8624, 8788, 9464, 10192, 13013, 14014, 14872, 15379, 16016, 16562, 17576, 18928, 24167, 26026, 28028, 29744, 30758, 33124, 35152, 48334, 52052, 56056, 61516, 66248, 91091, 96668, 104104, 107653, 112112, 123032, 132496, 169169, 182182, 193336, 208208, 215306, 246064, 338338, 364364, 386672, 430612, 676676, 728728, 861224, 1184183, 1353352, 1457456, 1722448, 2368366, 2706704, 4736732, 9473464, 18946928]

約数ペア:

[(1, 18946928), (2, 9473464), (4, 4736732), (7, 2706704), (8, 2368366), (11, 1722448), (13, 1457456), (14, 1353352), (16, 1184183), (22, 861224), (26, 728728), (28, 676676), (44, 430612), (49, 386672), (52, 364364), (56, 338338), (77, 246064), (88, 215306), (91, 208208), (98, 193336), (104, 182182), (112, 169169), (143, 132496), (154, 123032), (169, 112112), (176, 107653), (182, 104104), (196, 96668), (208, 91091), (286, 66248), (308, 61516), (338, 56056), (364, 52052), (392, 48334), (539, 35152), (572, 33124), (616, 30758), (637, 29744), (676, 28028), (728, 26026), (784, 24167), (1001, 18928), (1078, 17576), (1144, 16562), (1183, 16016), (1232, 15379), (1274, 14872), (1352, 14014), (1456, 13013), (1859, 10192), (2002, 9464), (2156, 8788), (2197, 8624), (2288, 8281), (2366, 8008), (2548, 7436), (2704, 7007), (3718, 5096), (4004, 4732), (4312, 4394)]