18923632

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 46372032

約数和(自身を除く): 27448400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 317, 328, 364, 533, 574, 634, 656, 728, 1066, 1148, 1268, 1456, 2132, 2219, 2296, 2536, 3731, 4121, 4264, 4438, 4592, 5072, 7462, 8242, 8528, 8876, 12997, 14924, 16484, 17752, 25994, 28847, 29848, 32968, 35504, 51988, 57694, 59696, 65936, 90979, 103976, 115388, 168961, 181958, 207952, 230776, 337922, 363916, 461552, 675844, 727832, 1182727, 1351688, 1455664, 2365454, 2703376, 4730908, 9461816, 18923632]

約数ペア:

[(1, 18923632), (2, 9461816), (4, 4730908), (7, 2703376), (8, 2365454), (13, 1455664), (14, 1351688), (16, 1182727), (26, 727832), (28, 675844), (41, 461552), (52, 363916), (56, 337922), (82, 230776), (91, 207952), (104, 181958), (112, 168961), (164, 115388), (182, 103976), (208, 90979), (287, 65936), (317, 59696), (328, 57694), (364, 51988), (533, 35504), (574, 32968), (634, 29848), (656, 28847), (728, 25994), (1066, 17752), (1148, 16484), (1268, 14924), (1456, 12997), (2132, 8876), (2219, 8528), (2296, 8242), (2536, 7462), (3731, 5072), (4121, 4592), (4264, 4438)]