18745210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8969}}^1$

素因数の和:9006

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 20005190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 8969, 17938, 44845, 89690, 98659, 170411, 197318, 340822, 493295, 852055, 986590, 1704110, 1874521, 3749042, 9372605, 18745210]

約数ペア:

[(1, 18745210), (2, 9372605), (5, 3749042), (10, 1874521), (11, 1704110), (19, 986590), (22, 852055), (38, 493295), (55, 340822), (95, 197318), (110, 170411), (190, 98659), (209, 89690), (418, 44845), (1045, 17938), (2090, 8969)]