19442790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 50778000

約数和(自身を除く): 31335210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 619, 698, 1047, 1238, 1745, 1857, 2094, 3095, 3141, 3490, 3714, 5235, 5571, 6190, 6282, 9285, 10470, 11142, 15705, 18570, 27855, 31410, 55710, 216031, 432062, 648093, 1080155, 1296186, 1944279, 2160310, 3240465, 3888558, 6480930, 9721395, 19442790]

約数ペア:

[(1, 19442790), (2, 9721395), (3, 6480930), (5, 3888558), (6, 3240465), (9, 2160310), (10, 1944279), (15, 1296186), (18, 1080155), (30, 648093), (45, 432062), (90, 216031), (349, 55710), (619, 31410), (698, 27855), (1047, 18570), (1238, 15705), (1745, 11142), (1857, 10470), (2094, 9285), (3095, 6282), (3141, 6190), (3490, 5571), (3714, 5235)]