18952101

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 14594139

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 223, 399, 497, 639, 669, 1197, 1349, 1491, 1561, 2007, 4047, 4237, 4473, 4683, 9443, 12141, 12711, 14049, 15833, 28329, 29659, 38133, 47499, 84987, 88977, 110831, 142497, 266931, 300827, 332493, 902481, 997479, 2105789, 2707443, 6317367, 18952101]

約数ペア:

[(1, 18952101), (3, 6317367), (7, 2707443), (9, 2105789), (19, 997479), (21, 902481), (57, 332493), (63, 300827), (71, 266931), (133, 142497), (171, 110831), (213, 88977), (223, 84987), (399, 47499), (497, 38133), (639, 29659), (669, 28329), (1197, 15833), (1349, 14049), (1491, 12711), (1561, 12141), (2007, 9443), (4047, 4683), (4237, 4473)]