18649408

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 39968424

約数和(自身を除く): 21319016

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 136, 244, 272, 281, 488, 544, 562, 976, 1037, 1088, 1124, 1952, 2074, 2248, 3904, 4148, 4496, 4777, 8296, 8992, 9554, 16592, 17141, 17984, 19108, 33184, 34282, 38216, 66368, 68564, 76432, 137128, 152864, 274256, 291397, 305728, 548512, 582794, 1097024, 1165588, 2331176, 4662352, 9324704, 18649408]

約数ペア:

[(1, 18649408), (2, 9324704), (4, 4662352), (8, 2331176), (16, 1165588), (17, 1097024), (32, 582794), (34, 548512), (61, 305728), (64, 291397), (68, 274256), (122, 152864), (136, 137128), (244, 76432), (272, 68564), (281, 66368), (488, 38216), (544, 34282), (562, 33184), (976, 19108), (1037, 17984), (1088, 17141), (1124, 16592), (1952, 9554), (2074, 8992), (2248, 8296), (3904, 4777), (4148, 4496)]