19704128

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 56

約数和(自身を含む): 41175432

約数和(自身を除く): 21471304

約数列:

[1, 2, 4, 8, 16, 32, 37, 53, 64, 74, 106, 148, 157, 212, 296, 314, 424, 592, 628, 848, 1184, 1256, 1696, 1961, 2368, 2512, 3392, 3922, 5024, 5809, 7844, 8321, 10048, 11618, 15688, 16642, 23236, 31376, 33284, 46472, 62752, 66568, 92944, 125504, 133136, 185888, 266272, 307877, 371776, 532544, 615754, 1231508, 2463016, 4926032, 9852064, 19704128]

約数ペア:

[(1, 19704128), (2, 9852064), (4, 4926032), (8, 2463016), (16, 1231508), (32, 615754), (37, 532544), (53, 371776), (64, 307877), (74, 266272), (106, 185888), (148, 133136), (157, 125504), (212, 92944), (296, 66568), (314, 62752), (424, 46472), (592, 33284), (628, 31376), (848, 23236), (1184, 16642), (1256, 15688), (1696, 11618), (1961, 10048), (2368, 8321), (2512, 7844), (3392, 5809), (3922, 5024)]