19904340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331739}}^1$

素因数の和:331751

約数の個数: 24

約数和(自身を含む): 55732320

約数和(自身を除く): 35827980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331739, 663478, 995217, 1326956, 1658695, 1990434, 3317390, 3980868, 4976085, 6634780, 9952170, 19904340]

約数ペア:

[(1, 19904340), (2, 9952170), (3, 6634780), (4, 4976085), (5, 3980868), (6, 3317390), (10, 1990434), (12, 1658695), (15, 1326956), (20, 995217), (30, 663478), (60, 331739)]