394198016

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{20261}}^1$

素因数の和:20300

約数の個数: 44

約数和(自身を含む): 829526280

約数和(自身を除く): 435328264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2432, 4864, 9728, 19456, 20261, 40522, 81044, 162088, 324176, 384959, 648352, 769918, 1296704, 1539836, 2593408, 3079672, 5186816, 6159344, 10373632, 12318688, 20747264, 24637376, 49274752, 98549504, 197099008, 394198016]

約数ペア:

[(1, 394198016), (2, 197099008), (4, 98549504), (8, 49274752), (16, 24637376), (19, 20747264), (32, 12318688), (38, 10373632), (64, 6159344), (76, 5186816), (128, 3079672), (152, 2593408), (256, 1539836), (304, 1296704), (512, 769918), (608, 648352), (1024, 384959), (1216, 324176), (2432, 162088), (4864, 81044), (9728, 40522), (19456, 20261)]