19772760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23539}}^1$

素因数の和:23560

約数の個数: 64

約数和(自身を含む): 67795200

約数和(自身を除く): 48022440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23539, 47078, 70617, 94156, 117695, 141234, 164773, 188312, 235390, 282468, 329546, 353085, 470780, 494319, 564936, 659092, 706170, 823865, 941560, 988638, 1318184, 1412340, 1647730, 1977276, 2471595, 2824680, 3295460, 3954552, 4943190, 6590920, 9886380, 19772760]

約数ペア:

[(1, 19772760), (2, 9886380), (3, 6590920), (4, 4943190), (5, 3954552), (6, 3295460), (7, 2824680), (8, 2471595), (10, 1977276), (12, 1647730), (14, 1412340), (15, 1318184), (20, 988638), (21, 941560), (24, 823865), (28, 706170), (30, 659092), (35, 564936), (40, 494319), (42, 470780), (56, 353085), (60, 329546), (70, 282468), (84, 235390), (105, 188312), (120, 164773), (140, 141234), (168, 117695), (210, 94156), (280, 70617), (420, 47078), (840, 23539)]