18715691940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2577919}}^1$

素因数の和:2577953

約数の個数: 72

約数和(自身を含む): 57601044480

約数和(自身を除く): 38885352540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 2577919, 5155838, 7733757, 10311676, 12889595, 15467514, 25779190, 28357109, 30935028, 38668785, 51558380, 56714218, 77337570, 85071327, 113428436, 141785545, 154675140, 170142654, 283571090, 311928199, 340285308, 425356635, 567142180, 623856398, 850713270, 935784597, 1247712796, 1559640995, 1701426540, 1871569194, 3119281990, 3743138388, 4678922985, 6238563980, 9357845970, 18715691940]

約数ペア:

[(1, 18715691940), (2, 9357845970), (3, 6238563980), (4, 4678922985), (5, 3743138388), (6, 3119281990), (10, 1871569194), (11, 1701426540), (12, 1559640995), (15, 1247712796), (20, 935784597), (22, 850713270), (30, 623856398), (33, 567142180), (44, 425356635), (55, 340285308), (60, 311928199), (66, 283571090), (110, 170142654), (121, 154675140), (132, 141785545), (165, 113428436), (220, 85071327), (242, 77337570), (330, 56714218), (363, 51558380), (484, 38668785), (605, 30935028), (660, 28357109), (726, 25779190), (1210, 15467514), (1452, 12889595), (1815, 10311676), (2420, 7733757), (3630, 5155838), (7260, 2577919)]