19725330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9007}}^1$

素因数の和:9090

約数の個数: 32

約数和(自身を含む): 47994624

約数和(自身を除く): 28269294

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9007, 18014, 27021, 45035, 54042, 90070, 135105, 270210, 657511, 1315022, 1972533, 3287555, 3945066, 6575110, 9862665, 19725330]

約数ペア:

[(1, 19725330), (2, 9862665), (3, 6575110), (5, 3945066), (6, 3287555), (10, 1972533), (15, 1315022), (30, 657511), (73, 270210), (146, 135105), (219, 90070), (365, 54042), (438, 45035), (730, 27021), (1095, 18014), (2190, 9007)]