19935109376

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{855731}}^1$

素因数の和:855767

約数の個数: 72

約数和(自身を含む): 48975253824

約数和(自身を除く): 29040144448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 855731, 1711462, 3422924, 5990117, 6845848, 11124503, 11980234, 13691696, 22249006, 23960468, 27383392, 44498012, 47920936, 54766784, 77871521, 88996024, 95841872, 109533568, 155743042, 177992048, 191683744, 219067136, 311486084, 355984096, 383367488, 622972168, 711968192, 766734976, 1245944336, 1423936384, 1533469952, 2491888672, 2847872768, 4983777344, 9967554688, 19935109376]

約数ペア:

[(1, 19935109376), (2, 9967554688), (4, 4983777344), (7, 2847872768), (8, 2491888672), (13, 1533469952), (14, 1423936384), (16, 1245944336), (26, 766734976), (28, 711968192), (32, 622972168), (52, 383367488), (56, 355984096), (64, 311486084), (91, 219067136), (104, 191683744), (112, 177992048), (128, 155743042), (182, 109533568), (208, 95841872), (224, 88996024), (256, 77871521), (364, 54766784), (416, 47920936), (448, 44498012), (728, 27383392), (832, 23960468), (896, 22249006), (1456, 13691696), (1664, 11980234), (1792, 11124503), (2912, 6845848), (3328, 5990117), (5824, 3422924), (11648, 1711462), (23296, 855731)]