19386160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7817}}^1$

素因数の和:7861

約数の個数: 40

約数和(自身を含む): 46532736

約数和(自身を除く): 27146576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7817, 15634, 31268, 39085, 62536, 78170, 125072, 156340, 242327, 312680, 484654, 625360, 969308, 1211635, 1938616, 2423270, 3877232, 4846540, 9693080, 19386160]

約数ペア:

[(1, 19386160), (2, 9693080), (4, 4846540), (5, 3877232), (8, 2423270), (10, 1938616), (16, 1211635), (20, 969308), (31, 625360), (40, 484654), (62, 312680), (80, 242327), (124, 156340), (155, 125072), (248, 78170), (310, 62536), (496, 39085), (620, 31268), (1240, 15634), (2480, 7817)]