18649280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4483}}^1$

素因数の和:4513

約数の個数: 56

約数和(自身を含む): 47835312

約数和(自身を除く): 29186032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4483, 8966, 17932, 22415, 35864, 44830, 58279, 71728, 89660, 116558, 143456, 179320, 233116, 286912, 291395, 358640, 466232, 582790, 717280, 932464, 1165580, 1434560, 1864928, 2331160, 3729856, 4662320, 9324640, 18649280]

約数ペア:

[(1, 18649280), (2, 9324640), (4, 4662320), (5, 3729856), (8, 2331160), (10, 1864928), (13, 1434560), (16, 1165580), (20, 932464), (26, 717280), (32, 582790), (40, 466232), (52, 358640), (64, 291395), (65, 286912), (80, 233116), (104, 179320), (130, 143456), (160, 116558), (208, 89660), (260, 71728), (320, 58279), (416, 44830), (520, 35864), (832, 22415), (1040, 17932), (2080, 8966), (4160, 4483)]