1994172876

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{619}}^1\times {\mathrm{821}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 5101496400

約数和(自身を除く): 3107323524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 619, 654, 821, 981, 1238, 1308, 1642, 1857, 1962, 2463, 2476, 3284, 3714, 3924, 4926, 5571, 7389, 7428, 9852, 11142, 14778, 22284, 29556, 67471, 89489, 134942, 178978, 202413, 268467, 269884, 357956, 404826, 508199, 536934, 607239, 805401, 809652, 1016398, 1073868, 1214478, 1524597, 1610802, 2032796, 2428956, 3049194, 3221604, 4573791, 6098388, 9147582, 18295164, 55393691, 110787382, 166181073, 221574764, 332362146, 498543219, 664724292, 997086438, 1994172876]

約数ペア:

[(1, 1994172876), (2, 997086438), (3, 664724292), (4, 498543219), (6, 332362146), (9, 221574764), (12, 166181073), (18, 110787382), (36, 55393691), (109, 18295164), (218, 9147582), (327, 6098388), (436, 4573791), (619, 3221604), (654, 3049194), (821, 2428956), (981, 2032796), (1238, 1610802), (1308, 1524597), (1642, 1214478), (1857, 1073868), (1962, 1016398), (2463, 809652), (2476, 805401), (3284, 607239), (3714, 536934), (3924, 508199), (4926, 404826), (5571, 357956), (7389, 269884), (7428, 268467), (9852, 202413), (11142, 178978), (14778, 134942), (22284, 89489), (29556, 67471)]