19007196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 49638960

約数和(自身を除く): 30631764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 89, 111, 148, 156, 178, 222, 267, 356, 444, 481, 534, 962, 1068, 1157, 1369, 1443, 1924, 2314, 2738, 2886, 3293, 3471, 4107, 4628, 5476, 5772, 6586, 6942, 8214, 9879, 13172, 13884, 16428, 17797, 19758, 35594, 39516, 42809, 53391, 71188, 85618, 106782, 121841, 128427, 171236, 213564, 243682, 256854, 365523, 487364, 513708, 731046, 1462092, 1583933, 3167866, 4751799, 6335732, 9503598, 19007196]

約数ペア:

[(1, 19007196), (2, 9503598), (3, 6335732), (4, 4751799), (6, 3167866), (12, 1583933), (13, 1462092), (26, 731046), (37, 513708), (39, 487364), (52, 365523), (74, 256854), (78, 243682), (89, 213564), (111, 171236), (148, 128427), (156, 121841), (178, 106782), (222, 85618), (267, 71188), (356, 53391), (444, 42809), (481, 39516), (534, 35594), (962, 19758), (1068, 17797), (1157, 16428), (1369, 13884), (1443, 13172), (1924, 9879), (2314, 8214), (2738, 6942), (2886, 6586), (3293, 5772), (3471, 5476), (4107, 4628)]