19266640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 48175488

約数和(自身を除く): 28908848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 283, 296, 368, 370, 460, 566, 592, 740, 851, 920, 1132, 1415, 1480, 1702, 1840, 2264, 2830, 2960, 3404, 4255, 4528, 5660, 6509, 6808, 8510, 10471, 11320, 13018, 13616, 17020, 20942, 22640, 26036, 32545, 34040, 41884, 52072, 52355, 65090, 68080, 83768, 104144, 104710, 130180, 167536, 209420, 240833, 260360, 418840, 481666, 520720, 837680, 963332, 1204165, 1926664, 2408330, 3853328, 4816660, 9633320, 19266640]

約数ペア:

[(1, 19266640), (2, 9633320), (4, 4816660), (5, 3853328), (8, 2408330), (10, 1926664), (16, 1204165), (20, 963332), (23, 837680), (37, 520720), (40, 481666), (46, 418840), (74, 260360), (80, 240833), (92, 209420), (115, 167536), (148, 130180), (184, 104710), (185, 104144), (230, 83768), (283, 68080), (296, 65090), (368, 52355), (370, 52072), (460, 41884), (566, 34040), (592, 32545), (740, 26036), (851, 22640), (920, 20942), (1132, 17020), (1415, 13616), (1480, 13018), (1702, 11320), (1840, 10471), (2264, 8510), (2830, 6808), (2960, 6509), (3404, 5660), (4255, 4528)]