19762902

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 24921738

約数列:

[1, 2, 3, 6, 9, 18, 41, 61, 82, 122, 123, 183, 246, 366, 369, 439, 549, 738, 878, 1098, 1317, 2501, 2634, 3951, 5002, 7503, 7902, 15006, 17999, 22509, 26779, 35998, 45018, 53558, 53997, 80337, 107994, 160674, 161991, 241011, 323982, 482022, 1097939, 2195878, 3293817, 6587634, 9881451, 19762902]

約数ペア:

[(1, 19762902), (2, 9881451), (3, 6587634), (6, 3293817), (9, 2195878), (18, 1097939), (41, 482022), (61, 323982), (82, 241011), (122, 161991), (123, 160674), (183, 107994), (246, 80337), (366, 53997), (369, 53558), (439, 45018), (549, 35998), (738, 26779), (878, 22509), (1098, 17999), (1317, 15006), (2501, 7902), (2634, 7503), (3951, 5002)]