19739748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 54583200

約数和(自身を除く): 34843452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 84, 98, 118, 147, 177, 196, 236, 294, 354, 413, 569, 588, 708, 826, 1138, 1239, 1652, 1707, 2276, 2478, 2891, 3414, 3983, 4956, 5782, 6828, 7966, 8673, 11564, 11949, 15932, 17346, 23898, 27881, 33571, 34692, 47796, 55762, 67142, 83643, 100713, 111524, 134284, 167286, 201426, 234997, 334572, 402852, 469994, 704991, 939988, 1409982, 1644979, 2819964, 3289958, 4934937, 6579916, 9869874, 19739748]

約数ペア:

[(1, 19739748), (2, 9869874), (3, 6579916), (4, 4934937), (6, 3289958), (7, 2819964), (12, 1644979), (14, 1409982), (21, 939988), (28, 704991), (42, 469994), (49, 402852), (59, 334572), (84, 234997), (98, 201426), (118, 167286), (147, 134284), (177, 111524), (196, 100713), (236, 83643), (294, 67142), (354, 55762), (413, 47796), (569, 34692), (588, 33571), (708, 27881), (826, 23898), (1138, 17346), (1239, 15932), (1652, 11949), (1707, 11564), (2276, 8673), (2478, 7966), (2891, 6828), (3414, 5782), (3983, 4956)]