18376420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 41751360

約数和(自身を除く): 23374940

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1307, 1406, 2614, 2812, 3515, 5228, 6535, 7030, 13070, 14060, 24833, 26140, 48359, 49666, 96718, 99332, 124165, 193436, 241795, 248330, 483590, 496660, 918821, 967180, 1837642, 3675284, 4594105, 9188210, 18376420]

約数ペア:

[(1, 18376420), (2, 9188210), (4, 4594105), (5, 3675284), (10, 1837642), (19, 967180), (20, 918821), (37, 496660), (38, 483590), (74, 248330), (76, 241795), (95, 193436), (148, 124165), (185, 99332), (190, 96718), (370, 49666), (380, 48359), (703, 26140), (740, 24833), (1307, 14060), (1406, 13070), (2614, 7030), (2812, 6535), (3515, 5228)]