18016108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 35804160

約数和(自身を除く): 17788052

約数列:

[1, 2, 4, 11, 22, 44, 71, 73, 79, 142, 146, 158, 284, 292, 316, 781, 803, 869, 1562, 1606, 1738, 3124, 3212, 3476, 5183, 5609, 5767, 10366, 11218, 11534, 20732, 22436, 23068, 57013, 61699, 63437, 114026, 123398, 126874, 228052, 246796, 253748, 409457, 818914, 1637828, 4504027, 9008054, 18016108]

約数ペア:

[(1, 18016108), (2, 9008054), (4, 4504027), (11, 1637828), (22, 818914), (44, 409457), (71, 253748), (73, 246796), (79, 228052), (142, 126874), (146, 123398), (158, 114026), (284, 63437), (292, 61699), (316, 57013), (781, 23068), (803, 22436), (869, 20732), (1562, 11534), (1606, 11218), (1738, 10366), (3124, 5767), (3212, 5609), (3476, 5183)]