20174880010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1\times {\mathrm{1129}}^1$

素因数の和:1895

約数の個数: 64

約数和(自身を含む): 38561385600

約数和(自身を除く): 18386505590

約数列:

[1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 577, 815, 1129, 1154, 1630, 2258, 2885, 3097, 5645, 5770, 6194, 10963, 11290, 15485, 21451, 21926, 30970, 42902, 54815, 94051, 107255, 109630, 184027, 188102, 214510, 368054, 470255, 651433, 920135, 940510, 1302866, 1786969, 1840270, 3257165, 3496513, 3573938, 6514330, 6993026, 8934845, 12377227, 17482565, 17869690, 24754454, 34965130, 61886135, 106183579, 123772270, 212367158, 530917895, 1061835790, 2017488001, 4034976002, 10087440005, 20174880010]

約数ペア:

[(1, 20174880010), (2, 10087440005), (5, 4034976002), (10, 2017488001), (19, 1061835790), (38, 530917895), (95, 212367158), (163, 123772270), (190, 106183579), (326, 61886135), (577, 34965130), (815, 24754454), (1129, 17869690), (1154, 17482565), (1630, 12377227), (2258, 8934845), (2885, 6993026), (3097, 6514330), (5645, 3573938), (5770, 3496513), (6194, 3257165), (10963, 1840270), (11290, 1786969), (15485, 1302866), (21451, 940510), (21926, 920135), (30970, 651433), (42902, 470255), (54815, 368054), (94051, 214510), (107255, 188102), (109630, 184027)]