19851660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3803}}^1$

素因数の和:3847

約数の個数: 72

約数和(自身を含む): 62309520

約数和(自身を除く): 42457860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3803, 5220, 7606, 11409, 15212, 19015, 22818, 34227, 38030, 45636, 57045, 68454, 76060, 110287, 114090, 136908, 171135, 220574, 228180, 330861, 342270, 441148, 551435, 661722, 684540, 992583, 1102870, 1323444, 1654305, 1985166, 2205740, 3308610, 3970332, 4962915, 6617220, 9925830, 19851660]

約数ペア:

[(1, 19851660), (2, 9925830), (3, 6617220), (4, 4962915), (5, 3970332), (6, 3308610), (9, 2205740), (10, 1985166), (12, 1654305), (15, 1323444), (18, 1102870), (20, 992583), (29, 684540), (30, 661722), (36, 551435), (45, 441148), (58, 342270), (60, 330861), (87, 228180), (90, 220574), (116, 171135), (145, 136908), (174, 114090), (180, 110287), (261, 76060), (290, 68454), (348, 57045), (435, 45636), (522, 38030), (580, 34227), (870, 22818), (1044, 19015), (1305, 15212), (1740, 11409), (2610, 7606), (3803, 5220)]