19941390

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3517}}^1$

素因数の和:3543

約数の個数: 80

約数和(自身を含む): 61297632

約数和(自身を除く): 41356242

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3517, 5670, 7034, 10551, 17585, 21102, 24619, 31653, 35170, 49238, 52755, 63306, 73857, 94959, 105510, 123095, 147714, 158265, 189918, 221571, 246190, 284877, 316530, 369285, 443142, 474795, 569754, 664713, 738570, 949590, 1107855, 1329426, 1424385, 1994139, 2215710, 2848770, 3323565, 3988278, 6647130, 9970695, 19941390]

約数ペア:

[(1, 19941390), (2, 9970695), (3, 6647130), (5, 3988278), (6, 3323565), (7, 2848770), (9, 2215710), (10, 1994139), (14, 1424385), (15, 1329426), (18, 1107855), (21, 949590), (27, 738570), (30, 664713), (35, 569754), (42, 474795), (45, 443142), (54, 369285), (63, 316530), (70, 284877), (81, 246190), (90, 221571), (105, 189918), (126, 158265), (135, 147714), (162, 123095), (189, 105510), (210, 94959), (270, 73857), (315, 63306), (378, 52755), (405, 49238), (567, 35170), (630, 31653), (810, 24619), (945, 21102), (1134, 17585), (1890, 10551), (2835, 7034), (3517, 5670)]