2018963940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{253003}}^1$

素因数の和:253041

約数の個数: 96

約数和(自身を含む): 6800747520

約数和(自身を除く): 4781783580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 253003, 506006, 759009, 1012012, 1265015, 1518018, 1771021, 2530030, 3036036, 3542042, 3795045, 4807057, 5060060, 5313063, 7084084, 7590090, 8855105, 9614114, 10626126, 14421171, 15180180, 17710210, 19228228, 21252252, 24035285, 26565315, 28842342, 33649399, 35420420, 48070570, 53130630, 57684684, 67298798, 72105855, 96141140, 100948197, 106261260, 134597596, 144211710, 168246995, 201896394, 288423420, 336493990, 403792788, 504740985, 672987980, 1009481970, 2018963940]

約数ペア:

[(1, 2018963940), (2, 1009481970), (3, 672987980), (4, 504740985), (5, 403792788), (6, 336493990), (7, 288423420), (10, 201896394), (12, 168246995), (14, 144211710), (15, 134597596), (19, 106261260), (20, 100948197), (21, 96141140), (28, 72105855), (30, 67298798), (35, 57684684), (38, 53130630), (42, 48070570), (57, 35420420), (60, 33649399), (70, 28842342), (76, 26565315), (84, 24035285), (95, 21252252), (105, 19228228), (114, 17710210), (133, 15180180), (140, 14421171), (190, 10626126), (210, 9614114), (228, 8855105), (266, 7590090), (285, 7084084), (380, 5313063), (399, 5060060), (420, 4807057), (532, 3795045), (570, 3542042), (665, 3036036), (798, 2530030), (1140, 1771021), (1330, 1518018), (1596, 1265015), (1995, 1012012), (2660, 759009), (3990, 506006), (7980, 253003)]