18728982

素因数分解:

$2^1\times 3^5\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 42653520

約数和(自身を除く): 23924538

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 89, 162, 178, 243, 267, 433, 486, 534, 801, 866, 1299, 1602, 2403, 2598, 3897, 4806, 7209, 7794, 11691, 14418, 21627, 23382, 35073, 38537, 43254, 70146, 77074, 105219, 115611, 210438, 231222, 346833, 693666, 1040499, 2080998, 3121497, 6242994, 9364491, 18728982]

約数ペア:

[(1, 18728982), (2, 9364491), (3, 6242994), (6, 3121497), (9, 2080998), (18, 1040499), (27, 693666), (54, 346833), (81, 231222), (89, 210438), (162, 115611), (178, 105219), (243, 77074), (267, 70146), (433, 43254), (486, 38537), (534, 35073), (801, 23382), (866, 21627), (1299, 14418), (1602, 11691), (2403, 7794), (2598, 7209), (3897, 4806)]