19311410920

素因数分解:

$2^3\times 5^1\times {\mathrm{3461}}^1\times {\mathrm{139493}}^1$

素因数の和:142965

約数の個数: 32

約数和(自身を含む): 43463540520

約数和(自身を除く): 24152129600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3461, 6922, 13844, 17305, 27688, 34610, 69220, 138440, 139493, 278986, 557972, 697465, 1115944, 1394930, 2789860, 5579720, 482785273, 965570546, 1931141092, 2413926365, 3862282184, 4827852730, 9655705460, 19311410920]

約数ペア:

[(1, 19311410920), (2, 9655705460), (4, 4827852730), (5, 3862282184), (8, 2413926365), (10, 1931141092), (20, 965570546), (40, 482785273), (3461, 5579720), (6922, 2789860), (13844, 1394930), (17305, 1115944), (27688, 697465), (34610, 557972), (69220, 278986), (138440, 139493)]