19485824

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 21640576

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 64, 79, 82, 94, 128, 158, 164, 188, 316, 328, 376, 632, 656, 752, 1264, 1312, 1504, 1927, 2528, 2624, 3008, 3239, 3713, 3854, 5056, 5248, 6016, 6478, 7426, 7708, 10112, 12956, 14852, 15416, 25912, 29704, 30832, 51824, 59408, 61664, 103648, 118816, 123328, 152233, 207296, 237632, 246656, 304466, 414592, 475264, 608932, 1217864, 2435728, 4871456, 9742912, 19485824]

約数ペア:

[(1, 19485824), (2, 9742912), (4, 4871456), (8, 2435728), (16, 1217864), (32, 608932), (41, 475264), (47, 414592), (64, 304466), (79, 246656), (82, 237632), (94, 207296), (128, 152233), (158, 123328), (164, 118816), (188, 103648), (316, 61664), (328, 59408), (376, 51824), (632, 30832), (656, 29704), (752, 25912), (1264, 15416), (1312, 14852), (1504, 12956), (1927, 10112), (2528, 7708), (2624, 7426), (3008, 6478), (3239, 6016), (3713, 5248), (3854, 5056)]