19748084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18862348

約数列:

[1, 2, 4, 17, 34, 37, 47, 68, 74, 94, 148, 167, 188, 334, 629, 668, 799, 1258, 1598, 1739, 2516, 2839, 3196, 3478, 5678, 6179, 6956, 7849, 11356, 12358, 15698, 24716, 29563, 31396, 59126, 105043, 118252, 133433, 210086, 266866, 290413, 420172, 533732, 580826, 1161652, 4937021, 9874042, 19748084]

約数ペア:

[(1, 19748084), (2, 9874042), (4, 4937021), (17, 1161652), (34, 580826), (37, 533732), (47, 420172), (68, 290413), (74, 266866), (94, 210086), (148, 133433), (167, 118252), (188, 105043), (334, 59126), (629, 31396), (668, 29563), (799, 24716), (1258, 15698), (1598, 12358), (1739, 11356), (2516, 7849), (2839, 6956), (3196, 6179), (3478, 5678)]