19893206272

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{21773}}^1$

素因数の和:21915

約数の個数: 72

約数和(自身を含む): 41123595744

約数和(自身を除く): 21230389472

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 83, 86, 128, 166, 172, 256, 332, 344, 664, 688, 1328, 1376, 2656, 2752, 3569, 5312, 5504, 7138, 10624, 11008, 14276, 21248, 21773, 28552, 43546, 57104, 87092, 114208, 174184, 228416, 348368, 456832, 696736, 913664, 936239, 1393472, 1807159, 1872478, 2786944, 3614318, 3744956, 5573888, 7228636, 7489912, 14457272, 14979824, 28914544, 29959648, 57829088, 59919296, 77707837, 115658176, 119838592, 155415674, 231316352, 239677184, 310831348, 462632704, 621662696, 1243325392, 2486650784, 4973301568, 9946603136, 19893206272]

約数ペア:

[(1, 19893206272), (2, 9946603136), (4, 4973301568), (8, 2486650784), (16, 1243325392), (32, 621662696), (43, 462632704), (64, 310831348), (83, 239677184), (86, 231316352), (128, 155415674), (166, 119838592), (172, 115658176), (256, 77707837), (332, 59919296), (344, 57829088), (664, 29959648), (688, 28914544), (1328, 14979824), (1376, 14457272), (2656, 7489912), (2752, 7228636), (3569, 5573888), (5312, 3744956), (5504, 3614318), (7138, 2786944), (10624, 1872478), (11008, 1807159), (14276, 1393472), (21248, 936239), (21773, 913664), (28552, 696736), (43546, 456832), (57104, 348368), (87092, 228416), (114208, 174184)]