19268704

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{509}}^1$

素因数の和:552

約数の個数: 72

約数和(自身を含む): 47038320

約数和(自身を除く): 27769616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 169, 182, 208, 224, 338, 364, 416, 509, 676, 728, 1018, 1183, 1352, 1456, 2036, 2366, 2704, 2912, 3563, 4072, 4732, 5408, 6617, 7126, 8144, 9464, 13234, 14252, 16288, 18928, 26468, 28504, 37856, 46319, 52936, 57008, 86021, 92638, 105872, 114016, 172042, 185276, 211744, 344084, 370552, 602147, 688168, 741104, 1204294, 1376336, 1482208, 2408588, 2752672, 4817176, 9634352, 19268704]

約数ペア:

[(1, 19268704), (2, 9634352), (4, 4817176), (7, 2752672), (8, 2408588), (13, 1482208), (14, 1376336), (16, 1204294), (26, 741104), (28, 688168), (32, 602147), (52, 370552), (56, 344084), (91, 211744), (104, 185276), (112, 172042), (169, 114016), (182, 105872), (208, 92638), (224, 86021), (338, 57008), (364, 52936), (416, 46319), (509, 37856), (676, 28504), (728, 26468), (1018, 18928), (1183, 16288), (1352, 14252), (1456, 13234), (2036, 9464), (2366, 8144), (2704, 7126), (2912, 6617), (3563, 5408), (4072, 4732)]