19827640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3727}}^1$

素因数の和:3764

約数の個数: 64

約数和(自身を含む): 53683200

約数和(自身を除く): 33855560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3727, 5320, 7454, 14908, 18635, 26089, 29816, 37270, 52178, 70813, 74540, 104356, 130445, 141626, 149080, 208712, 260890, 283252, 354065, 495691, 521780, 566504, 708130, 991382, 1043560, 1416260, 1982764, 2478455, 2832520, 3965528, 4956910, 9913820, 19827640]

約数ペア:

[(1, 19827640), (2, 9913820), (4, 4956910), (5, 3965528), (7, 2832520), (8, 2478455), (10, 1982764), (14, 1416260), (19, 1043560), (20, 991382), (28, 708130), (35, 566504), (38, 521780), (40, 495691), (56, 354065), (70, 283252), (76, 260890), (95, 208712), (133, 149080), (140, 141626), (152, 130445), (190, 104356), (266, 74540), (280, 70813), (380, 52178), (532, 37270), (665, 29816), (760, 26089), (1064, 18635), (1330, 14908), (2660, 7454), (3727, 5320)]