18767584

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 72

約数和(自身を含む): 42029064

約数和(自身を除く): 23261480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 121, 131, 148, 176, 242, 262, 296, 352, 407, 484, 524, 592, 814, 968, 1048, 1184, 1441, 1628, 1936, 2096, 2882, 3256, 3872, 4192, 4477, 4847, 5764, 6512, 8954, 9694, 11528, 13024, 15851, 17908, 19388, 23056, 31702, 35816, 38776, 46112, 53317, 63404, 71632, 77552, 106634, 126808, 143264, 155104, 213268, 253616, 426536, 507232, 586487, 853072, 1172974, 1706144, 2345948, 4691896, 9383792, 18767584]

約数ペア:

[(1, 18767584), (2, 9383792), (4, 4691896), (8, 2345948), (11, 1706144), (16, 1172974), (22, 853072), (32, 586487), (37, 507232), (44, 426536), (74, 253616), (88, 213268), (121, 155104), (131, 143264), (148, 126808), (176, 106634), (242, 77552), (262, 71632), (296, 63404), (352, 53317), (407, 46112), (484, 38776), (524, 35816), (592, 31702), (814, 23056), (968, 19388), (1048, 17908), (1184, 15851), (1441, 13024), (1628, 11528), (1936, 9694), (2096, 8954), (2882, 6512), (3256, 5764), (3872, 4847), (4192, 4477)]