18799450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1301}}^1$

素因数の和:1347

約数の個数: 36

約数和(自身を含む): 37173402

約数和(自身を除く): 18373952

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1301, 1445, 2602, 2890, 6505, 7225, 13010, 14450, 22117, 32525, 44234, 65050, 110585, 221170, 375989, 552925, 751978, 1105850, 1879945, 3759890, 9399725, 18799450]

約数ペア:

[(1, 18799450), (2, 9399725), (5, 3759890), (10, 1879945), (17, 1105850), (25, 751978), (34, 552925), (50, 375989), (85, 221170), (170, 110585), (289, 65050), (425, 44234), (578, 32525), (850, 22117), (1301, 14450), (1445, 13010), (2602, 7225), (2890, 6505)]