17972190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{503}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 46938528

約数和(自身を除く): 28966338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 397, 503, 794, 1006, 1191, 1509, 1985, 2382, 2515, 3018, 3573, 3970, 4527, 5030, 5955, 7146, 7545, 9054, 11910, 15090, 17865, 22635, 35730, 45270, 199691, 399382, 599073, 998455, 1198146, 1797219, 1996910, 2995365, 3594438, 5990730, 8986095, 17972190]

約数ペア:

[(1, 17972190), (2, 8986095), (3, 5990730), (5, 3594438), (6, 2995365), (9, 1996910), (10, 1797219), (15, 1198146), (18, 998455), (30, 599073), (45, 399382), (90, 199691), (397, 45270), (503, 35730), (794, 22635), (1006, 17865), (1191, 15090), (1509, 11910), (1985, 9054), (2382, 7545), (2515, 7146), (3018, 5955), (3573, 5030), (3970, 4527)]