17852140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^2$

素因数の和:426

約数の個数: 36

約数和(自身を含む): 39319056

約数和(自身を除く): 21466916

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 394, 460, 788, 985, 1970, 3940, 4531, 9062, 18124, 22655, 38809, 45310, 77618, 90620, 155236, 194045, 388090, 776180, 892607, 1785214, 3570428, 4463035, 8926070, 17852140]

約数ペア:

[(1, 17852140), (2, 8926070), (4, 4463035), (5, 3570428), (10, 1785214), (20, 892607), (23, 776180), (46, 388090), (92, 194045), (115, 155236), (197, 90620), (230, 77618), (394, 45310), (460, 38809), (788, 22655), (985, 18124), (1970, 9062), (3940, 4531)]