19507075

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 10491005

約数列:

[1, 5, 7, 17, 25, 35, 79, 83, 85, 119, 175, 395, 415, 425, 553, 581, 595, 1343, 1411, 1975, 2075, 2765, 2905, 2975, 6557, 6715, 7055, 9401, 9877, 13825, 14525, 32785, 33575, 35275, 45899, 47005, 49385, 111469, 163925, 229495, 235025, 246925, 557345, 780283, 1147475, 2786725, 3901415, 19507075]

約数ペア:

[(1, 19507075), (5, 3901415), (7, 2786725), (17, 1147475), (25, 780283), (35, 557345), (79, 246925), (83, 235025), (85, 229495), (119, 163925), (175, 111469), (395, 49385), (415, 47005), (425, 45899), (553, 35275), (581, 33575), (595, 32785), (1343, 14525), (1411, 13825), (1975, 9877), (2075, 9401), (2765, 7055), (2905, 6715), (2975, 6557)]