18005888

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 38041920

約数和(自身を除く): 20036032

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 64, 73, 82, 94, 128, 146, 164, 188, 292, 328, 376, 584, 656, 752, 1168, 1312, 1504, 1927, 2336, 2624, 2993, 3008, 3431, 3854, 4672, 5248, 5986, 6016, 6862, 7708, 9344, 11972, 13724, 15416, 23944, 27448, 30832, 47888, 54896, 61664, 95776, 109792, 123328, 140671, 191552, 219584, 246656, 281342, 383104, 439168, 562684, 1125368, 2250736, 4501472, 9002944, 18005888]

約数ペア:

[(1, 18005888), (2, 9002944), (4, 4501472), (8, 2250736), (16, 1125368), (32, 562684), (41, 439168), (47, 383104), (64, 281342), (73, 246656), (82, 219584), (94, 191552), (128, 140671), (146, 123328), (164, 109792), (188, 95776), (292, 61664), (328, 54896), (376, 47888), (584, 30832), (656, 27448), (752, 23944), (1168, 15416), (1312, 13724), (1504, 11972), (1927, 9344), (2336, 7708), (2624, 6862), (2993, 6016), (3008, 5986), (3431, 5248), (3854, 4672)]