17921772

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 49900032

約数和(自身を除く): 31978260

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 167, 198, 271, 334, 396, 501, 542, 668, 813, 1002, 1084, 1503, 1626, 1837, 2004, 2439, 2981, 3006, 3252, 3674, 4878, 5511, 5962, 6012, 7348, 8943, 9756, 11022, 11924, 16533, 17886, 22044, 26829, 33066, 35772, 45257, 53658, 66132, 90514, 107316, 135771, 181028, 271542, 407313, 497827, 543084, 814626, 995654, 1493481, 1629252, 1991308, 2986962, 4480443, 5973924, 8960886, 17921772]

約数ペア:

[(1, 17921772), (2, 8960886), (3, 5973924), (4, 4480443), (6, 2986962), (9, 1991308), (11, 1629252), (12, 1493481), (18, 995654), (22, 814626), (33, 543084), (36, 497827), (44, 407313), (66, 271542), (99, 181028), (132, 135771), (167, 107316), (198, 90514), (271, 66132), (334, 53658), (396, 45257), (501, 35772), (542, 33066), (668, 26829), (813, 22044), (1002, 17886), (1084, 16533), (1503, 11924), (1626, 11022), (1837, 9756), (2004, 8943), (2439, 7348), (2981, 6012), (3006, 5962), (3252, 5511), (3674, 4878)]