17921792

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 41746656

約数和(自身を除く): 23824864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 137, 146, 224, 256, 274, 292, 448, 511, 548, 584, 896, 959, 1022, 1096, 1168, 1792, 1918, 2044, 2192, 2336, 3836, 4088, 4384, 4672, 7672, 8176, 8768, 9344, 10001, 15344, 16352, 17536, 18688, 20002, 30688, 32704, 35072, 40004, 61376, 65408, 70007, 80008, 122752, 130816, 140014, 160016, 245504, 280028, 320032, 560056, 640064, 1120112, 1280128, 2240224, 2560256, 4480448, 8960896, 17921792]

約数ペア:

[(1, 17921792), (2, 8960896), (4, 4480448), (7, 2560256), (8, 2240224), (14, 1280128), (16, 1120112), (28, 640064), (32, 560056), (56, 320032), (64, 280028), (73, 245504), (112, 160016), (128, 140014), (137, 130816), (146, 122752), (224, 80008), (256, 70007), (274, 65408), (292, 61376), (448, 40004), (511, 35072), (548, 32704), (584, 30688), (896, 20002), (959, 18688), (1022, 17536), (1096, 16352), (1168, 15344), (1792, 10001), (1918, 9344), (2044, 8768), (2192, 8176), (2336, 7672), (3836, 4672), (4088, 4384)]