18219744

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1600

約数の個数: 72

約数和(自身を含む): 53110512

約数和(自身を除く): 34890768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1543, 1968, 2952, 3086, 3936, 4629, 5904, 6172, 9258, 11808, 12344, 13887, 18516, 24688, 27774, 37032, 49376, 55548, 63263, 74064, 111096, 126526, 148128, 189789, 222192, 253052, 379578, 444384, 506104, 569367, 759156, 1012208, 1138734, 1518312, 2024416, 2277468, 3036624, 4554936, 6073248, 9109872, 18219744]

約数ペア:

[(1, 18219744), (2, 9109872), (3, 6073248), (4, 4554936), (6, 3036624), (8, 2277468), (9, 2024416), (12, 1518312), (16, 1138734), (18, 1012208), (24, 759156), (32, 569367), (36, 506104), (41, 444384), (48, 379578), (72, 253052), (82, 222192), (96, 189789), (123, 148128), (144, 126526), (164, 111096), (246, 74064), (288, 63263), (328, 55548), (369, 49376), (492, 37032), (656, 27774), (738, 24688), (984, 18516), (1312, 13887), (1476, 12344), (1543, 11808), (1968, 9258), (2952, 6172), (3086, 5904), (3936, 4629)]