19673580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2503}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 55528704

約数和(自身を除く): 35855124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2503, 2620, 3930, 5006, 7509, 7860, 10012, 12515, 15018, 25030, 30036, 37545, 50060, 75090, 150180, 327893, 655786, 983679, 1311572, 1639465, 1967358, 3278930, 3934716, 4918395, 6557860, 9836790, 19673580]

約数ペア:

[(1, 19673580), (2, 9836790), (3, 6557860), (4, 4918395), (5, 3934716), (6, 3278930), (10, 1967358), (12, 1639465), (15, 1311572), (20, 983679), (30, 655786), (60, 327893), (131, 150180), (262, 75090), (393, 50060), (524, 37545), (655, 30036), (786, 25030), (1310, 15018), (1572, 12515), (1965, 10012), (2503, 7860), (2620, 7509), (3930, 5006)]