18700128

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2284

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 36336672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2239, 2784, 4176, 4478, 6717, 8352, 8956, 13434, 17912, 20151, 26868, 35824, 40302, 53736, 64931, 71648, 80604, 107472, 129862, 161208, 194793, 214944, 259724, 322416, 389586, 519448, 584379, 644832, 779172, 1038896, 1168758, 1558344, 2077792, 2337516, 3116688, 4675032, 6233376, 9350064, 18700128]

約数ペア:

[(1, 18700128), (2, 9350064), (3, 6233376), (4, 4675032), (6, 3116688), (8, 2337516), (9, 2077792), (12, 1558344), (16, 1168758), (18, 1038896), (24, 779172), (29, 644832), (32, 584379), (36, 519448), (48, 389586), (58, 322416), (72, 259724), (87, 214944), (96, 194793), (116, 161208), (144, 129862), (174, 107472), (232, 80604), (261, 71648), (288, 64931), (348, 53736), (464, 40302), (522, 35824), (696, 26868), (928, 20151), (1044, 17912), (1392, 13434), (2088, 8956), (2239, 8352), (2784, 6717), (4176, 4478)]