19425296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 44669760

約数和(自身を除く): 25244464

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 157, 176, 209, 296, 304, 314, 407, 418, 592, 628, 703, 814, 836, 1256, 1406, 1628, 1672, 1727, 2512, 2812, 2983, 3256, 3344, 3454, 5624, 5809, 5966, 6512, 6908, 7733, 11248, 11618, 11932, 13816, 15466, 23236, 23864, 27632, 30932, 32813, 46472, 47728, 61864, 63899, 65626, 92944, 110371, 123728, 127798, 131252, 220742, 255596, 262504, 441484, 511192, 525008, 882968, 1022384, 1214081, 1765936, 2428162, 4856324, 9712648, 19425296]

約数ペア:

[(1, 19425296), (2, 9712648), (4, 4856324), (8, 2428162), (11, 1765936), (16, 1214081), (19, 1022384), (22, 882968), (37, 525008), (38, 511192), (44, 441484), (74, 262504), (76, 255596), (88, 220742), (148, 131252), (152, 127798), (157, 123728), (176, 110371), (209, 92944), (296, 65626), (304, 63899), (314, 61864), (407, 47728), (418, 46472), (592, 32813), (628, 30932), (703, 27632), (814, 23864), (836, 23236), (1256, 15466), (1406, 13816), (1628, 11932), (1672, 11618), (1727, 11248), (2512, 7733), (2812, 6908), (2983, 6512), (3256, 5966), (3344, 5809), (3454, 5624)]