18487187316

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{89983}}^1$

素因数の和:90445

約数の個数: 72

約数和(自身を含む): 50441431040

約数和(自身を除く): 31954243724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 439, 468, 878, 1317, 1756, 2634, 3951, 5268, 5707, 7902, 11414, 15804, 17121, 22828, 34242, 51363, 68484, 89983, 102726, 179966, 205452, 269949, 359932, 539898, 809847, 1079796, 1169779, 1619694, 2339558, 3239388, 3509337, 4679116, 7018674, 10528011, 14037348, 21056022, 39502537, 42112044, 79005074, 118507611, 158010148, 237015222, 355522833, 474030444, 513532981, 711045666, 1027065962, 1422091332, 1540598943, 2054131924, 3081197886, 4621796829, 6162395772, 9243593658, 18487187316]

約数ペア:

[(1, 18487187316), (2, 9243593658), (3, 6162395772), (4, 4621796829), (6, 3081197886), (9, 2054131924), (12, 1540598943), (13, 1422091332), (18, 1027065962), (26, 711045666), (36, 513532981), (39, 474030444), (52, 355522833), (78, 237015222), (117, 158010148), (156, 118507611), (234, 79005074), (439, 42112044), (468, 39502537), (878, 21056022), (1317, 14037348), (1756, 10528011), (2634, 7018674), (3951, 4679116), (5268, 3509337), (5707, 3239388), (7902, 2339558), (11414, 1619694), (15804, 1169779), (17121, 1079796), (22828, 809847), (34242, 539898), (51363, 359932), (68484, 269949), (89983, 205452), (102726, 179966)]