19798584

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38262216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 31, 39, 46, 52, 62, 69, 78, 89, 92, 93, 104, 124, 138, 156, 178, 184, 186, 248, 267, 276, 299, 312, 356, 372, 403, 534, 552, 598, 712, 713, 744, 806, 897, 1068, 1157, 1196, 1209, 1426, 1612, 1794, 2047, 2136, 2139, 2314, 2392, 2418, 2759, 2852, 3224, 3471, 3588, 4094, 4278, 4628, 4836, 5518, 5704, 6141, 6942, 7176, 8188, 8277, 8556, 9256, 9269, 9672, 11036, 12282, 13884, 16376, 16554, 17112, 18538, 22072, 24564, 26611, 27768, 27807, 33108, 35867, 37076, 49128, 53222, 55614, 63457, 66216, 71734, 74152, 79833, 106444, 107601, 111228, 126914, 143468, 159666, 190371, 212888, 215202, 222456, 253828, 286936, 319332, 380742, 430404, 507656, 638664, 761484, 824941, 860808, 1522968, 1649882, 2474823, 3299764, 4949646, 6599528, 9899292, 19798584]

約数ペア:

[(1, 19798584), (2, 9899292), (3, 6599528), (4, 4949646), (6, 3299764), (8, 2474823), (12, 1649882), (13, 1522968), (23, 860808), (24, 824941), (26, 761484), (31, 638664), (39, 507656), (46, 430404), (52, 380742), (62, 319332), (69, 286936), (78, 253828), (89, 222456), (92, 215202), (93, 212888), (104, 190371), (124, 159666), (138, 143468), (156, 126914), (178, 111228), (184, 107601), (186, 106444), (248, 79833), (267, 74152), (276, 71734), (299, 66216), (312, 63457), (356, 55614), (372, 53222), (403, 49128), (534, 37076), (552, 35867), (598, 33108), (712, 27807), (713, 27768), (744, 26611), (806, 24564), (897, 22072), (1068, 18538), (1157, 17112), (1196, 16554), (1209, 16376), (1426, 13884), (1612, 12282), (1794, 11036), (2047, 9672), (2136, 9269), (2139, 9256), (2314, 8556), (2392, 8277), (2418, 8188), (2759, 7176), (2852, 6942), (3224, 6141), (3471, 5704), (3588, 5518), (4094, 4836), (4278, 4628)]