18852784

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 38747520

約数和(自身を除く): 19894736

約数列:

[1, 2, 4, 8, 16, 29, 41, 58, 82, 116, 164, 232, 328, 464, 656, 991, 1189, 1982, 2378, 3964, 4756, 7928, 9512, 15856, 19024, 28739, 40631, 57478, 81262, 114956, 162524, 229912, 325048, 459824, 650096, 1178299, 2356598, 4713196, 9426392, 18852784]

約数ペア:

[(1, 18852784), (2, 9426392), (4, 4713196), (8, 2356598), (16, 1178299), (29, 650096), (41, 459824), (58, 325048), (82, 229912), (116, 162524), (164, 114956), (232, 81262), (328, 57478), (464, 40631), (656, 28739), (991, 19024), (1189, 15856), (1982, 9512), (2378, 7928), (3964, 4756)]