17819720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23447}}^1$

素因数の和:23477

約数の個数: 32

約数和(自身を含む): 42206400

約数和(自身を除く): 24386680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23447, 46894, 93788, 117235, 187576, 234470, 445493, 468940, 890986, 937880, 1781972, 2227465, 3563944, 4454930, 8909860, 17819720]

約数ペア:

[(1, 17819720), (2, 8909860), (4, 4454930), (5, 3563944), (8, 2227465), (10, 1781972), (19, 937880), (20, 890986), (38, 468940), (40, 445493), (76, 234470), (95, 187576), (152, 117235), (190, 93788), (380, 46894), (760, 23447)]