16811390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3847}}^1$

素因数の和:3896

約数の個数: 32

約数和(自身を含む): 33246720

約数和(自身を除く): 16435330

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 3847, 4370, 7694, 19235, 38470, 73093, 88481, 146186, 176962, 365465, 442405, 730930, 884810, 1681139, 3362278, 8405695, 16811390]

約数ペア:

[(1, 16811390), (2, 8405695), (5, 3362278), (10, 1681139), (19, 884810), (23, 730930), (38, 442405), (46, 365465), (95, 176962), (115, 146186), (190, 88481), (230, 73093), (437, 38470), (874, 19235), (2185, 7694), (3847, 4370)]