18929792

素因数分解:

$2^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 44341440

約数和(自身を除く): 25411648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 259, 296, 448, 518, 571, 592, 896, 1036, 1142, 1184, 2072, 2284, 2368, 3997, 4144, 4568, 4736, 7994, 8288, 9136, 15988, 16576, 18272, 21127, 31976, 33152, 36544, 42254, 63952, 73088, 84508, 127904, 147889, 169016, 255808, 295778, 338032, 511616, 591556, 676064, 1183112, 1352128, 2366224, 2704256, 4732448, 9464896, 18929792]

約数ペア:

[(1, 18929792), (2, 9464896), (4, 4732448), (7, 2704256), (8, 2366224), (14, 1352128), (16, 1183112), (28, 676064), (32, 591556), (37, 511616), (56, 338032), (64, 295778), (74, 255808), (112, 169016), (128, 147889), (148, 127904), (224, 84508), (259, 73088), (296, 63952), (448, 42254), (518, 36544), (571, 33152), (592, 31976), (896, 21127), (1036, 18272), (1142, 16576), (1184, 15988), (2072, 9136), (2284, 8288), (2368, 7994), (3997, 4736), (4144, 4568)]