18782450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1211

約数の個数: 48

約数和(自身を含む): 38970720

約数和(自身を除く): 20188270

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 950, 1163, 1615, 2326, 3230, 5815, 8075, 11630, 16150, 19771, 22097, 29075, 39542, 44194, 58150, 98855, 110485, 197710, 220970, 375649, 494275, 552425, 751298, 988550, 1104850, 1878245, 3756490, 9391225, 18782450]

約数ペア:

[(1, 18782450), (2, 9391225), (5, 3756490), (10, 1878245), (17, 1104850), (19, 988550), (25, 751298), (34, 552425), (38, 494275), (50, 375649), (85, 220970), (95, 197710), (170, 110485), (190, 98855), (323, 58150), (425, 44194), (475, 39542), (646, 29075), (850, 22097), (950, 19771), (1163, 16150), (1615, 11630), (2326, 8075), (3230, 5815)]