19884260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 29467420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 67, 71, 76, 95, 110, 134, 142, 190, 209, 220, 268, 284, 335, 355, 380, 418, 670, 710, 737, 781, 836, 1045, 1273, 1340, 1349, 1420, 1474, 1562, 2090, 2546, 2698, 2948, 3124, 3685, 3905, 4180, 4757, 5092, 5396, 6365, 6745, 7370, 7810, 9514, 12730, 13490, 14003, 14740, 14839, 15620, 19028, 23785, 25460, 26980, 28006, 29678, 47570, 52327, 56012, 59356, 70015, 74195, 90383, 95140, 104654, 140030, 148390, 180766, 209308, 261635, 280060, 296780, 361532, 451915, 523270, 903830, 994213, 1046540, 1807660, 1988426, 3976852, 4971065, 9942130, 19884260]

約数ペア:

[(1, 19884260), (2, 9942130), (4, 4971065), (5, 3976852), (10, 1988426), (11, 1807660), (19, 1046540), (20, 994213), (22, 903830), (38, 523270), (44, 451915), (55, 361532), (67, 296780), (71, 280060), (76, 261635), (95, 209308), (110, 180766), (134, 148390), (142, 140030), (190, 104654), (209, 95140), (220, 90383), (268, 74195), (284, 70015), (335, 59356), (355, 56012), (380, 52327), (418, 47570), (670, 29678), (710, 28006), (737, 26980), (781, 25460), (836, 23785), (1045, 19028), (1273, 15620), (1340, 14839), (1349, 14740), (1420, 14003), (1474, 13490), (1562, 12730), (2090, 9514), (2546, 7810), (2698, 7370), (2948, 6745), (3124, 6365), (3685, 5396), (3905, 5092), (4180, 4757)]