18943792

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 43411656

約数和(自身を除く): 24467864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 331, 392, 511, 584, 662, 784, 1022, 1168, 1324, 2044, 2317, 2648, 3577, 4088, 4634, 5296, 7154, 8176, 9268, 14308, 16219, 18536, 24163, 28616, 32438, 37072, 48326, 57232, 64876, 96652, 129752, 169141, 193304, 259504, 338282, 386608, 676564, 1183987, 1353128, 2367974, 2706256, 4735948, 9471896, 18943792]

約数ペア:

[(1, 18943792), (2, 9471896), (4, 4735948), (7, 2706256), (8, 2367974), (14, 1353128), (16, 1183987), (28, 676564), (49, 386608), (56, 338282), (73, 259504), (98, 193304), (112, 169141), (146, 129752), (196, 96652), (292, 64876), (331, 57232), (392, 48326), (511, 37072), (584, 32438), (662, 28616), (784, 24163), (1022, 18536), (1168, 16219), (1324, 14308), (2044, 9268), (2317, 8176), (2648, 7154), (3577, 5296), (4088, 4634)]