19052740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 48996864

約数和(自身を除く): 29944124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 97, 115, 122, 140, 161, 194, 230, 244, 305, 322, 388, 427, 460, 485, 610, 644, 679, 805, 854, 970, 1220, 1358, 1403, 1610, 1708, 1940, 2135, 2231, 2716, 2806, 3220, 3395, 4270, 4462, 5612, 5917, 6790, 7015, 8540, 8924, 9821, 11155, 11834, 13580, 14030, 15617, 19642, 22310, 23668, 28060, 29585, 31234, 39284, 41419, 44620, 49105, 59170, 62468, 78085, 82838, 98210, 118340, 136091, 156170, 165676, 196420, 207095, 272182, 312340, 414190, 544364, 680455, 828380, 952637, 1360910, 1905274, 2721820, 3810548, 4763185, 9526370, 19052740]

約数ペア:

[(1, 19052740), (2, 9526370), (4, 4763185), (5, 3810548), (7, 2721820), (10, 1905274), (14, 1360910), (20, 952637), (23, 828380), (28, 680455), (35, 544364), (46, 414190), (61, 312340), (70, 272182), (92, 207095), (97, 196420), (115, 165676), (122, 156170), (140, 136091), (161, 118340), (194, 98210), (230, 82838), (244, 78085), (305, 62468), (322, 59170), (388, 49105), (427, 44620), (460, 41419), (485, 39284), (610, 31234), (644, 29585), (679, 28060), (805, 23668), (854, 22310), (970, 19642), (1220, 15617), (1358, 14030), (1403, 13580), (1610, 11834), (1708, 11155), (1940, 9821), (2135, 8924), (2231, 8540), (2716, 7015), (2806, 6790), (3220, 5917), (3395, 5612), (4270, 4462)]