17938620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 47057220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 619, 630, 644, 690, 805, 828, 966, 1035, 1238, 1260, 1380, 1449, 1610, 1857, 1932, 2070, 2415, 2476, 2898, 3095, 3220, 3714, 4140, 4333, 4830, 5571, 5796, 6190, 7245, 7428, 8666, 9285, 9660, 11142, 12380, 12999, 14237, 14490, 17332, 18570, 21665, 22284, 25998, 27855, 28474, 28980, 37140, 38997, 42711, 43330, 51996, 55710, 56948, 64995, 71185, 77994, 85422, 86660, 99659, 111420, 128133, 129990, 142370, 155988, 170844, 194985, 199318, 213555, 256266, 259980, 284740, 298977, 389970, 398636, 427110, 498295, 512532, 597954, 640665, 779940, 854220, 896931, 996590, 1195908, 1281330, 1494885, 1793862, 1993180, 2562660, 2989770, 3587724, 4484655, 5979540, 8969310, 17938620]

約数ペア:

[(1, 17938620), (2, 8969310), (3, 5979540), (4, 4484655), (5, 3587724), (6, 2989770), (7, 2562660), (9, 1993180), (10, 1793862), (12, 1494885), (14, 1281330), (15, 1195908), (18, 996590), (20, 896931), (21, 854220), (23, 779940), (28, 640665), (30, 597954), (35, 512532), (36, 498295), (42, 427110), (45, 398636), (46, 389970), (60, 298977), (63, 284740), (69, 259980), (70, 256266), (84, 213555), (90, 199318), (92, 194985), (105, 170844), (115, 155988), (126, 142370), (138, 129990), (140, 128133), (161, 111420), (180, 99659), (207, 86660), (210, 85422), (230, 77994), (252, 71185), (276, 64995), (315, 56948), (322, 55710), (345, 51996), (414, 43330), (420, 42711), (460, 38997), (483, 37140), (619, 28980), (630, 28474), (644, 27855), (690, 25998), (805, 22284), (828, 21665), (966, 18570), (1035, 17332), (1238, 14490), (1260, 14237), (1380, 12999), (1449, 12380), (1610, 11142), (1857, 9660), (1932, 9285), (2070, 8666), (2415, 7428), (2476, 7245), (2898, 6190), (3095, 5796), (3220, 5571), (3714, 4830), (4140, 4333)]