187436990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{19751}}^1$

素因数の和:19844

約数の個数: 32

約数和(自身を含む): 368335296

約数和(自身を除く): 180898306

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 19751, 39502, 98755, 197510, 256763, 513526, 1283815, 1441823, 2567630, 2883646, 7209115, 14418230, 18743699, 37487398, 93718495, 187436990]

約数ペア:

[(1, 187436990), (2, 93718495), (5, 37487398), (10, 18743699), (13, 14418230), (26, 7209115), (65, 2883646), (73, 2567630), (130, 1441823), (146, 1283815), (365, 513526), (730, 256763), (949, 197510), (1898, 98755), (4745, 39502), (9490, 19751)]