19464016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 45497088

約数和(自身を除く): 26033072

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 47, 52, 88, 94, 104, 143, 176, 181, 188, 208, 286, 362, 376, 517, 572, 611, 724, 752, 1034, 1144, 1222, 1448, 1991, 2068, 2288, 2353, 2444, 2896, 3982, 4136, 4706, 4888, 6721, 7964, 8272, 8507, 9412, 9776, 13442, 15928, 17014, 18824, 25883, 26884, 31856, 34028, 37648, 51766, 53768, 68056, 93577, 103532, 107536, 110591, 136112, 187154, 207064, 221182, 374308, 414128, 442364, 748616, 884728, 1216501, 1497232, 1769456, 2433002, 4866004, 9732008, 19464016]

約数ペア:

[(1, 19464016), (2, 9732008), (4, 4866004), (8, 2433002), (11, 1769456), (13, 1497232), (16, 1216501), (22, 884728), (26, 748616), (44, 442364), (47, 414128), (52, 374308), (88, 221182), (94, 207064), (104, 187154), (143, 136112), (176, 110591), (181, 107536), (188, 103532), (208, 93577), (286, 68056), (362, 53768), (376, 51766), (517, 37648), (572, 34028), (611, 31856), (724, 26884), (752, 25883), (1034, 18824), (1144, 17014), (1222, 15928), (1448, 13442), (1991, 9776), (2068, 9412), (2288, 8507), (2353, 8272), (2444, 7964), (2896, 6721), (3982, 4888), (4136, 4706)]